2024
- Xin Jiang, Ryo Koike, Effects of high gravity on properties of parts fabricated using material extrusion system by additive manufacturing, Helion
- Berend Denkena, Marcel Wichmann, Talash Malek, Hai Nam Nguyen, Makoto Kato, Kaito Isshiki, Ryo Koike, Yasuhiro Kakinuma, Digital Twin in Process Planning of the Additive and Subtractive Process Chain for Laser Metal Deposition and Micro Milling of Stainless Stee, Journal of Manufacturing Science and Engineering
2023
- Xin Jiang, Ryo Koike, High gravity material extrusion system and extruded polylactic acid performance enhancement, Scientific Reports (Accepted)
- Xin Jiang, Ryo Koike, Numerical study of the effect of high gravity in material extrusion system and polymer characteristics during filament fabrication, Polymers, Vol.15, 3037.
- Ryo Koike, Ammar AlKhaled, Teppei Kashimoto, Basic study for lunar regolith powder bed fusion in high gravity, CIRP Annals Manufacturing Technology, Vol. 72, No. 1, pp.125-128.
2022
- Yushi Ikeda, Toshihiro Takeuchi, Ryo Koike, Yasuhiro Kakinuma, Masaki Kondo, Yohei Oda, Takanori Mori, Evaluation of fabrication parameters for foam stainless steel in directed energy deposition, Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 17, No.1.
2021
- Yusuke Sugiura, Ryo Koike, High-gravitational effect on process stabilization for metal powder bed fusion, Additive Manufacturing, Vol. 46, 102153.
- Ryo Koike, Yusuke Sugiura, Metal powder bed fusion in high gravity, CIRP Annals Manufacturing Technology, Vol. 70, No. 1, pp. 191-194.
2020
- 竹村志帆, 小池綾, 柿沼康弘, 小田陽平, 指向性エネルギー堆積法における積層物周りの固気混相流解析, 精密工学会誌, Vol.86, No. 6, pp. 474-479.
- Ryo Koike, Takashi Matsumoto, Tojiro Aoyama, Masaki Kondo, Fabrication method for stainless steel foam block in directed energy deposition, CIRP Annals Manufacturing Technology, Vol. 69, No. 1, pp.173-176.
2019
- Ryo Koike, Iori Unotoro, Yasuhiro Kakinuma, Yohei Oda, Graded Inconel625-SUS316L joint fabricated using directed energy deposition, International Journal of Automation Technology, Vol. 13, No. 3, pp. 424-433.
- 松本昴士, 小池綾, 柿沼康弘, 小田陽平, 水素化チタンを応用した指向性エネルギ堆積法によるポーラス金属造形, 日本機械学会論文集, Vol. 85, No. 880, p.19-00233.
2018
- Ryo Koike, Shintaro Arano, Yasuhiro Kakinuma, Yohei Oda, Optimal laser power command generation for direct energy deposition by applying gradient descent to a thermal conductivity Simulation, Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 12, No.2, p.JAMDSM0042.
- Ryo Koike, Taro Misawa, Yasuhiro Kakinuma, Yohei Oda, Basic study on remelting process to enhance density of Inconel 625 in direct energy deposition, International Journal of Automation Technology, Vol. 12, No. 3, pp. 424-433.
- Tatsuhiko Kuriya, Ryo Koike, Yasuhiro Kakinuma, Takanori Mori, Controlling metal structure with remelting process in direct energy deposition of Inconel 625, CIRP Annals Manufacturing Technology, Vol. 67, No. 1, pp.237-240.
2017
- Shun Yamato, Takayuki Hirano, Yuki Yamada, Ryo Koike, Yasuhiro Kakinuma, Sensor-less on-line chatter detection in turning process based on phase monitoring using power factor theory, Precision Engineering, Vol. 51, pp. 103-116.
- 栗谷龍彦，小池綾，小田陽平，柿沼康弘, Inconel 718のレーザ金属積層造形における発生空孔の評価と分析, 精密工学会誌, Vol.84, No.4, pp.371-377.
2016
- Soichiro Yamada, Ryo Koike, Shintaro Arano, Yasuhiro Kakinuma, Tojiro Aoyama, Basic study on electro-adhesive surface applying 3-dimensional Micro structures, International Journal of Automation Technology, Vol. 10, No. 1, pp. 48-54
- Ryo Koike, Kouhei Ohnishi, Tojiro Aoyama, A sensorless approach for tool fracture detection in milling by integrating multi-axial servo information, CIRP Annals Manufacturing Technology, Vol. 65, No. 1, pp.385-388.
- Takuki Ishida, Ryo Koike, Tojiro Aoyama, Yasuhiro Kakinuma, Estimation of cutting temperature in high-feed-speed machining of carbon fiber-reinforced thermoplastics, International Journal of Automation Technology, Vol. 10, No. 3, pp. 341-347.
2015
- 小池綾、柿沼康弘、青山藤詞郎、大西公平, エンドミル加工における外乱オブザーバを用いたセンサレスびびり振動検知技術の開発（第２報）―移動分散値と移動フーリエ変換を併用したびびり振動の種類別検知―, 精密工学会誌、81巻、7号、pp.692-698.
- 小池綾、柿沼康弘、青山藤詞郎、大西公平, サーボ情報を応用したびびり振動に対する安定主軸回転数同定, 日本機械学会論文集、81巻、830号、p.15-00387、(11 pages).
2014
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Drill fracture detection by integrating disturbance observer and rotational digital filter, CIRP Journal of Manufacturing Science and Technology, Vol.7,No.3,pp.177-184．
- Stefan Tönissen, Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama，Fritz Klocke, Monitoring of tool collision In drilling by disturbance observer, CIRP Journal of Manufacturing Science and Technology, Vol.7,No.3,pp.274-282．
- Ryo Koike, Ryo Kumakura, Takashi Arai, Eishiro Uchishiba, Makoto Murakami, Takahisa Sagara, Yasuhiro Kakinuma, Sensorless tool stiffness monitoring in buffing, International Journal of Automation Technology, Vol.8, No. 6, pp.827-836．
2024
- Masayuki Hashimoto, Ryo Koike, Yasuhiro Kakinuma, Yoko Hirono, Takanori Mori, Yohei Oda, Influence of metal structure on mechanical characteristics in high-speed coating layer fabricated via directed energy deposition, The 13th CIRP Conference on Photonic Technologies
- Taiga Tanaka, Ryo Koike, Yasuhiro Kakinuma, Hideki Aoyama, Yusuke Ogiso, Tomoki Nagase, Femtosecond laser studies on ablation efficiency and surface quality of alumina, The 20th International Conference on Precision Engineering
- Yoshitomo Ichise, Ryo Koike, Investigation of the effect of gravity on melt pool formation in powder bed fusion using simulation, The 20th International Conference on Precision Engineering
2023
- Xin Jiang, Ryo Koike, Design and evaluation of high-gravitational fused deposition modeling system, 4D Materials Design and Additive Manufacturing 2023 Conference, Atlanta, USA.
- Saki Tachibana, Ryo Koike, Takanori Mori, Yoko Hirono, Development of high gravitational powder bed fusion with a rotational axis in horizontal direction, The 23th Machining Innovations Conference for Aerospace Industry 2023.
- Xin Jiang, Ryo Koike, Evaluation for fused deposition modeling in high gravitational fields, The 25th International Symposium on Advances in Abrasive Technology, Taichung, Taiwan.
- Koryo Ikeshita, Ryo Koike, Yasuhiro Kakinuma, Hideki Aoyama, Takanori Mori, Yohei Oda, Yoko Hirono,Influence of melt pool temperature on mechanical properties in directional energy deposition with stand-off distance control, The 25th International Symposium on Advances in Abrasive Technology, Taichung, Taiwan.
- Yushi Ikeda, Ryo Koike, Yasuhiro Kakinuma, Takanori Mori, Yohei Oda, Yoko Hirono, Effect of melting time on internal structures of foam metals fabricated in directed energy deposition, The 25th International Symposium on Advances in Abrasive Technology, Taichung, Taiwan.
- Kazuki Abe, Ryo Koike, Hideki Aoyama, Development of automatic mold repair system using directed energy deposition – Automatic detection of cracks on mold-, The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology.
- Yuki Fujiwara, Ryo Koike, Yasuhiro Kakinuma, Keiichi Yamazaki, Takanori Mori, Yoko Hirono, Design of chamber for selective laser melting base on inert-gas flow simulation, The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology.
2022
- Yushi Ikeda, Ryo Koike, Yasuhiro Kakinuma, Takanori Mori, Yoko Hirono, Evaluation on compression and impact characteristics in foam metals fabricated in directed energy deposition, The 19th International Conference on Precision Engineering, Nara, Japan.
- Yuki Fujiwara, Ryo Koike, Yasuhiro Kakinuma, Keiichi Yamazaki, Takanori Mori, Yoko Hirono, Gas flow analysis for improving multi-jet nozzle design in directed energy deposition, The 19th International Conference on Precision Engineering, Nara, Japan.
- Kodai Obe, Ryo Koike, Enhancement in fine powder availability for powder bed fusion applying high gravity, 12th CIRP Conference on Photonic Technologies, Fürth, Germany.
- Takaaki Sato, Ryo Koike, Yasuhiro Kakinuma, Yoko Hirono, Takanori Mori, Yohei Oda, Optimization of process parameters for hardness in high speed coating by directed energy deposition, 12th CIRP Conference on Photonic Technologies, Fürth, Germany.
- Soma Kanemaru, Ryo Koike, Yasuhiro Kakinuma, Yoko Hirono, Takanori Mori, Enhancement of magnetic properties and crystal structure of soft magnetic materials fabricated by directed energy, Proceedings of the 2022 International Symposium on Flexible Automation, pp.131-134.
- Ryo Koike, Anno Tanaka, Rina Morita, Basic study on additive manufacturing applying supercooling phenomenon, Proceedings of the 2022 International Symposium on Flexible Automation, pp.135-140.
2021
- Toshihiro Takeuchi, Ryo Koike, Yasuhiro Kakinuma, Masaki Kondo, Yohei Oda, Takanori Mori, Basic study of fabrication conditions for foam stainlss in directed energy deposition, The 10th International Conference on Leading Edge Manufacturing in 21st Century (LEM21), On-line, Japan.
- Keisuke Takemura, Ryo Koike, Yasuhiro Kakinuma, Keiichi Yanmazaki, Takanori Mori, Yoko Hirono, Powder velocity-based nozzle design for directed energy deposition, The 10th International Conference on Leading Edge Manufacturing in 21st Century (LEM21), On-line, Japan.
- Anno Tanaka, Ryo Koike, Development of ice 3D printer applying supercooling phenomenon, The 10th International Conference on Leading Edge Manufacturing in 21st Century (LEM21), On-line, Japan.
2020
- Yusuke Sugiura, Ryo Koike, Yasuhiro Kakinuma, Analysis on pore generation in directed energy deposition using a chamber with a cooling system, AIAA SchiTech 2020, Forum, Orlando, FL, USA.
- Yasuhiro Kakinuma, Ryo Koike, Makoto Fujishima, Application researches in directed energy deposition through collaboration with industry, 2020 CIRP Winter Meeting, Paris, France.
2019
- Ryo Koike, Tojiro Aoyama, Masaki Kondo, Evaluation of metal structure in direct energy deposition applying cooling process, 2019 CIRP Winter Meeting, Paris, France.
- Shiho Takemura, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Variation of optimal gas-supply condition along with deposition height in directed energy deposition, 2nd International Conference on Simulation for Additive Manufacturing, Pavia, Italy.
- Takashi Matsumoto, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Effect of thickening and surface active agent on foam stainless steel fabrication in directed energy deposition, The 8th International Conference of Asian Society for Precision Engineering and Nanotechnology, Matsue, Japan.
- Ryo Koike, Luca Pagano, Yasuhiro Kakinuma, Yohei Oda, Masaki Kondo, Stabilization of metal structure formation in directed energy deposition by applying a coolant system, 19th Machining Innovations Conference for Aerospace industry, Garbsen, Germany.
2018
- Ryo Koike, Evaluation of metal structure in direct energy deposition applying cooling process, 2018 CIRP Winter Meeting, Paris, France
- Keiya Ishiyama, Ryo Koike, Yasuhiro Kakinuma, Tetsuya Suzuki, Takanori Mori, Cooling process for directional solidification in directed energy deposition, Manufacturing Science and Engineering Conference 2018, TX, USA.
- Ryo Koike, Stainless foam fabrication by containing titanium hydride into direct energy deposition, 2018 CIRP General Assembly, Tokyo, Japan.
- Toshiki Kodama, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Evaluation for laser command generation in directed energy deposition applying a three dimensional heat conduction simulation, The 21st International Symposium on Advances in Abrasive Technology 2018, Toronto, Canada.
- Ryo Koike, Shiho Takemura, Yasuhiro Kakinuma, Masaki Kondo, Enhancement of powder supply efficiency in directed energy deposition based on gas-solid multiphase-flow simulation, 6th CIRP Global Web Conference, Shantou, China.
- Iori Unotoro, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Evaluation for mechanical strength and element distribution In a composite material of Inconel 625 and SUS316L produced In directed energy deposition, 17th International Conference on Precision Engineering Kamakura, Japan.
- Shiho Takemura, Ryo Koike, Yasuhiro Kakinuma, Yohei Sato, Yohei Oda, Powder waste reduction in directed energy deposition based on fluid analysis of k-ε model, 17th International Conference on Precision Engineering Kamakura, Japan.
- Taro Misawa, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Void reduction and hardness enhancement by applying remelting process in directed energy deposition, 17th International Conference on Precision Engineering Kamakura, Japan.
- Ryo Koike, Takashi Matsumoto, Yasuhiro Kakinuma, Tojiro Aoyama, Yohei Oda, Tatsuhiko Kuriya Masaki Kondo, A basic study on metal foam fabrication with titanium hydride In direct energy deposition, 18th Machining Innovations Conference for Aerospace industry, Garbsen, Germany
2017
- Ryo Koike, Ryo Ashida, Yasuhiro Kakinuma, Tojiro Aoyama, Yohei Oda, Basic study on relation between void evolution and tensile strength in direct energy deposition, The First International Symposium on Applied Abstraction and Integrated Design
- Keiichi Yamazaki, Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Yohei Oda, Dissimilar metal joint production based on direct energy deposition, The First International Symposium on Applied Abstraction and Integrated Design
- Ryo Koike, Shintaro Arano, Yasuhiro Kakinuma, Yohei Oda, Makoto Fujishima, Tojiro Aoyama, Laser command generation for direct energy deposition with time-domain thermal conductivity Simulation analysis, The 1st ECCOMAS Thematic Conference on Simulation for Additive Manufacturing
- Tatsuhiko Kuriya, Ryo Koike, Yasuhiro Kakinuma, Relationship between cooling time and porosity with directed energy deposition of Inconel 718, The 9th International Conference on Leading Edge Manufacturing in 21st Century
- Hiroki Negishi, Ryo Koike, Yasuhiro Kakinuma, Yohei Oda, Makoto Fujishima, Tojiro Aoyama, Evaluation of correlation between baseplate temperature and deposition properties in directed energy deposition, The 20th International Symposium on Advances in Abrasive Technology
- Ryo Koike, Iori Unotoro, Yasuhiro Kakinuma, Tojiro Aoyama, Yohei Oda, Tatsuhiko Kuriya, Makoto Fujishima, Evaluation for mechanical characteristics of Inconel625- SUS316L joint produced with direct energy deposition, 17th Machining Innovations Conference for Aerospace Industry, Procedia Manufacturing, Vol.17 pp.105-110.
2016
- Testuya Shigematsu, Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Kouhei Ohnishi, Sensorless tool collision detection for multi-axis machine tools by integration of disturbance information, 49th CIRP Conference On Manufacturing System, Procedia CIRP (2016), Vol.57, pp.658-683.
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Kouhei Ohnishi, Evaluation of sensor-less identification method for stable spindle rotation against chatter with milling simulation analysis, 7th CIRP Conference on High Performance Cutting, Procedia CIRP (2016), Vol.46, pp.169-172．
- Hiroki Wakabayashi, Ryo koike, Yasuhiro Kakinuma, Tojiro Aoyama, Hiroyuki Shimada, Seiji Hamada, Ultrasonic-vibration-assisted micromachining of sapphire, 19th International Symposium on Advances in Abrasive Technology, Advances in Abrasive Technology XIX, Vol.874, pp.247-252.
- Ryo Koike, Ryo Ashida, Yasuhiro Kakinuma, Tojiro Aoyama, Tatsuhiko Kuriya, Makoto Fujishima, Graphical evaluation method for void distribution in direct energy deposition, 16th Machining Innovations Conference for Aerospace Industry, Procedia Manufacturing, Vol.6, pp.105-112.
2015
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Kouhei Ohnishi, In-process identification of stable rotation speed with disturbance observer based on chatter frequency information, Proceedings of the 38th International MATADOR Conference, in press.
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Kouhei Ohnishi, Enhancement of in-process identification for stable spindle rotation against chatter vibration with a time-domain milling simulator, The 8th International Conference on Leading Edge Manufacturing in 21st Century
- Tomonori Awajikawa, Ryo Koike, Yasuhiro Kakinuma, Sensor-less cutting torque monitoring for a high speed spindle applying disturbance observer, The 8th International Conference on Leading Edge Manufacturing in 21st Century
- Yasuhiro Kakinuma, Takuki Ishida, Ryo Koike, Heiner Klemme, Berend Denkena, Tojiro Aoyama, Ultrafast feed drilling of carbon fiber-reinforced thermoplastics, 15th Machining Innovations Conference for Aerospace Industry
2014
- Ryo Koike, Yasuhiro Kakinuma, Tool collision detection in high-speed feeding based on disturbance observer, 6th CIRP Conference on High Performance Cutting, Procedia CIRP (2014), Vol.14, pp.478-483．
- Masaki Onozawa, Ryo Koike, Yoshitaka Murakami, Yasuhiro Kakinuma, Tojiro Aoyama, Influence of cutting force and tool geometry on whole quality in glass microdrilling, Proceedings of the 14th euspen International Conference, pp. 231-234．
- Takayuki Hirano, Kazuto Enomoto, Ryo Koike, Yasuhiro Kakinuma, Suppression of low-frequency vibration in precision turning processes by band-limited force control, Proceedings of 2014 International Symposium on Flexible Automation, pp. 1-4.
- Yoshitaka Murakami, Ryo Koike, Yasuhiro Kakinuma, Micro-tool contact detection for high-precision machine tools by disturbance observer, Proceedings of the 15th International Conference on Precision Engineering, pp.132-136.
- Yutaro Yoshida, Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Sensorless wear monitoring of tapping tool using disturbance observer, Proceedings of the 15th International Conference on Precision Engineering, pp. 128-131.
2013
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Kouhei Ohnishi, Development of sensor-less wear monitoring method by means of servo information based on disturbance observer theory, The 7th International Conference on Leading Edge Manufacturing in 21st Century
2012
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Enhancement of sensor-less tool fracture detection method applying rotational digital filter, 3rd CIRP Conference Process Machine Interactions, Procedia CIRP (2012), Vol.4,pp.52-57．
- Ryo Koike, Yasuhiro Kakinuma, Tojiro Aoyama, Sensor-less tool fracture detection applying disturbance observer theory, 14th International Conference on Precision Engineering, Key Engineering Materials, Vols.523-524, pp. 439-444.
2024
- 小池綾，異重力場の相似則を応用した3Dプリンタ，日本実験力学学会2024年度年次講演会
2021
- Ryo Koike, Super-high performance metal additive manufacturing based on analogy of different gravitational fields, International Symposium on Upcoming Prominent Engineering Solution.
2017
- 小池綾，柿沼康弘，青山藤詞郎, 大西公平, サーボ情報を応用したびびり振動に対する安定主軸回転数同定, 日本機械学会2017年度年次大会
2024
- 小池綾，3Dプリンタと異重力場の相似則，実験力学，Vol. 24, No. 1, pp. 3-10
- 小池綾，次世代ものづくりを発展させる3Dプリンタ，光技術コンタクト，Vol. 62, pp. 11-18.
2023
- 小池綾, 金属3D造形のプロセス安定化と新応用技術, システム制御情報学会誌，Vol. 67, No. 3, pp. 110-115.
2021
- 小池綾, 3Dプリンタでスポンジ状の金属積層物を作製する技術の開発, レーザ加工学会誌, Vol. 28, No. 1, pp. 54-56.
2020
- 小池綾, 3Dプリンタで”スポンジ状”の金属積層物作製技術紹介－自動車部品の軽量化へ向けて, 自動車技術, Vol. 74, No. 7, pp. 80-85.
2019
- 小池綾, 指向性エネルギー堆積法による異種金属接合, 砥粒加工学会誌，Vol. 63, No. 7, pp.357-360
2023
- 小池綾，シン ジアン，付加製造装置、及び付加製造方法，特願2023-118698
2022
- 小池綾, 杉浦悠介, 付加製造装置、及び付加製造方法, KU22001PCT
2021
- 小池綾, 杉浦悠介, 付加製造装置、及び付加製造方法, 2021-008877特願
2020
- 小池綾，柿沼康弘，小田陽平，森貴則，近藤昌樹，付加製造方法及び付加製造装置，2018-154397特願，2020-29578特開
2019
- 小池綾，三澤太郎，柿沼康弘，青山藤詞郎，レーザ積層造形方法及びレーザ積層造形装置，2018-40947特願，2019-157149特開
2016
- 寺田弦、小島輝久、野村裕昭、小池綾、青山藤詞郎、柿沼康弘、大西公平，数値制御装置と制御法，2015-70475特願，2016-190276特開
2015
- 寺田弦、小島輝久、野村裕昭、小池綾、青山藤詞郎、柿沼康弘、大西公平，振動検出装置と工作機械，2014-116422特願，2015-229216特開
2014
- 寺田弦、小島輝久、野村裕昭、青山藤詞郎、柿沼康弘、小池綾、大西公平, 工具異常検出装置と工具異常検出方法, 2012-241825特願，2014-91187特開
2024
- 小池綾，日本における積層造形 現状と展望，日刊工業新聞，3月26日，pp. 7
- 小池綾，よくわかる指向性エネルギー堆積法と金属AM（月刊連載記事・連載中）, 型技術，日刊工業新聞社
2020
- 小池綾，3Dプリンタによるスポンジ状金属積層物の作製技術と自動車部品への応用可能性，月刊 車載テクノロジー，2020年7月号，pp. 67-69．
- 小池綾，指向性エネルギー堆積法による金属3次元造形の応用の可能性，型技術（日刊工業新聞社月刊誌），2020年8月号，pp. 076-079．
2019
- 小池綾，3Dプリンターで”スポンジ状”の金属積層物 慶大が作製技術，日刊工業新聞(オンライン記事，※本文閲覧には会員登録が必要 リンク) ，2019年11月12日．
- 小池綾，Interveiw 金属3Dプリンターが拓く新たな産業応用 ー 形だけでなく機能性も付与する意義とは，光技術コーディネートジャーナル OPTRONICS，2019年4月号，pp.188-193.
2018
- 小池綾, 今に花咲き実を結ぶ「積層造形の課題を解決」，月刊生産財マーケティング，2018年4月号，A-104.