日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
"Department of Mechanical and Intelligent Systems Engineering, Cluster III (Fundamental Science and Engineering)" 

顔写真 Professor 
takashi kuboki 

Year of birth:1965  
Fax.0424843327  

Career
Sumitomo Metal Industries  Research engineer  1990/04-1996/09 
Sumitomo Metal Industries  Assistant manager  1996/10-2001/06 
Sumitomo Metal Industries  Manager of Section  2001/07-2001/09 
Sumitomo Metals Kokura  Staff Manager  2001/10-2002/12 
The University of Electro-Communications  Assoc, Prof.  2003/01-2007/03/31 
電気通信大学 電気通信学部  准教授  2007/04/01-2010/03/31 
電気通信大学 大学院情報理工学研究科  准教授  2010/04/01-2013/03/31 
電気通信大学 大学院情報理工学研究科  教授  2013/04/01-Present 

Academic background
Ritsumeikan Senior High School  1983/03  Graduated 
Kyoto University  Faculty of Engineering  Precision Engineering  1988/03  Graduated 
Kyoto University  Graduate School, Division of Engineering  Precision Engineering  Master's program  1990/03  Completed 

Academic degrees
M. Eng.  Kyoto University  1990/03 
Dr. Eng  Kyoto University  2001/03 

Classes responsible within the university
2019  Numerical Analysis  Spring semester  Undergraduate, daytime 
2019  Mechanics of Materials,Theory and Practice  Fall semester  Undergraduate, daytime 
2019  Manufacturing Technology, Theory and Practice  Spring semester  Undergraduate, daytime 
2019  Fundamentals of Mechanical Working  Spring semester  Graduate, IE  Master's program 
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Education and research activities in foreign countries
海外先進教育研究プログラム  2004/10-2005/09  英国 
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Current research areas

Current research subjects
Precision straightening  Straightening Mechanical properties Bending 
Control of residual stress after cold metal working  residual stress drawing bar and tube 
Prediction of mechanical properties  Mechanical properties Metal working Structure 

Preferable theme of joint or funded research
Drawing of bar, wire rod and tube  Desire to engage in industry-academia collaboration and other forms of joint research with private and other organizations  Joint research 
Straightening of bar, wire rod and tube  Desire to engage in industry-academia collaboration and other forms of joint research with private and other organizations  Joint research 
Bending of tube  Desire to engage in industry-academia collaboration and other forms of joint research with private and other organizations  Joint research 
Nosing of tube  Desire to engage in industry-academia collaboration and other forms of joint research with private and other organizations  Joint research 
板の曲げ加工  Desire to engage in industry-academia collaboration and other forms of joint research with private and other organizations  Joint research 
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Published books
Book  チューブフォーミング - 軽量化と高機能化の管材二次加工 -  栗山 幸久, 水越 秀雄, 内海 能亜, 加藤 和明, 奥出 裕亮, 長谷川 収, 水村 正昭, 淵澤 定克, 福村 卓巳, 白寄 篤, 久保木 孝, 陣内 雄士, 北澤 君義, 寺前 俊哉, 山内 浩行, 山藤 博文, 村上 碩哉, 吉原 正一郎, 古島 剛  コロナ社  160-171, 183-206  2019/07/22 
Book  引抜き -棒線から管までのすべて-  浅川基男, 齋藤賢一, 吉田一也, 相沢 隆, 上井 清史, 岩本 隆, 増田智一, 三村正直, 奥井達也, 高杉直樹, 土屋昭則, 久保木 孝, 中野 元裕, 梶川翔平  コロナ社  302-306, 310-313  2017/05/26 
Book  60 Excellent Inventions in Metal Forming  著者数十人の一人  Springer  2015/06/01 
Book  Metal forming  Uday S. Dixit, R. Ganesh Narayana, Arbind Kumar Singh, R. K. Uyyuru Shinjith, Satish V. Kailas, Santosh Kumar, Jay S. Gunaksekara, Arjann Buijk, Gary Huang, Gabriel Barton, Takashi Kuboki, P.P. Date, Ravindra K. Saxena, Prakash M. Dixit, K. Nrashimhan, Vinayak R. Malik, Sumitesh Das  McGraw Hill Education (India) Private Limited  292-332  2013/06 
Book, translated  COMPUTATIONAL METHODS FOR PLASTICITY: THEORY AND APPLICATION  寺田賢二郎,渡邉育夢, 秋山雅義,浅井光輝,石井建樹,生出佳,岡澤重信,久保木孝,車谷麻緒,斉木功,高木知弘,堤成一郎,松井和己,山川優樹  森北出版  155-213(主担当), 476-512(副), 794-808(副), 809-815(副)  2012 
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Published papers
Paper  Yes  Asymmetric sheet-metal V-bending applying separate dies with different velocities for diversified bending shapes and operability  Joint  Takashi Kuboki, Takahiro Hadano, Wataru Oba, Shohei Kajikawa, Yingjun Jin  CIRP Annals - Manufacturing Technology  70/ 1, 219-222  2021/08/10  10.1016/j.cirp.2021.03.015 
Paper  Yes  A new ductile fracture criterion for skew rolling and its application to evaluate the effect of number of rolls  Joint  Koji Yamane, Kazuhiro Shimoda, Koichi Kuroda, Shohei Kajikawa, Takashi Kuboki  Journal of Materials Processing Technology  291/ 5  2021/05/01 
Paper  Yes  Flange compression using stepped punch for forming extremely deep cup with flange from aluminum alloy sheet  Joint  Shohei Kajikawa, Takashi Kuboki, Takashi Iizuka  Journal of Materials Processing Technology  2/ 288  2021/02/01  10.1016/j.jmatprotec.2020.116835 
Paper  Yes  傾斜圧延において介在物が内部割れに及ぼす影響  Joint  Koji YAMANE, Kazuhiro SHIMODA, Koichi KURODA, Shohei KAJIKAWA, Takashi KUBOKI  J. Jpn. Soc. Technol. Plast.  62/ 720, 1-7  2021/01/25  10.9773/sosei.62.1 
Paper  Yes  Tube Drawing Process with Diameter Expansion for Effectively Reducing Thickness  Joint  Shohei Kajikawa, Hikaru Kawaguchi, Takashi Kuboki, Isamu Akasaka, Yuzo Terashita, Masayoshi Akiyama  Metals  12/ 10, Article Number 1642-  2020/12/06 
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Research presentations
Oral presentation for an academic conference  Effect of blank shape on deep drawability for forming rectangular cases with high aspect ratio  2021年度塑性加工春季講演会講演論文集  No  Tomoya Takasan, Shohei Kajikawa, Takashi Kuboki, Kenji Tamaoki, Katsuyuki Onishi, Akira Gunji, Akira Yamauchi  2021/06/04 
Oral presentation for an academic conference  Development of Twisting Method for Sheet Metal using Taper Roll  2021年度塑性加工春季講演会講演論文集  No  Avanish Kumar, Shohei Kajikawa, Takashi Kuboki, Takahiro Makiyama  2021/06/04 
Oral presentation for an academic conference  スクロースおよびクエン酸を混合した木質系粉末の流動性に及ぼす加熱温度および時間の影響  第71回日本木材学会大会  No  後藤 めぐみ, 梶川 翔平, 久保木 孝  2021/03/19 
Oral presentation for an academic conference  Fabrication of a ring groove on inner surface of tube by ironing from outer surface using displacement control of tube bottom end  The Proc. of the 71th Japanese Joint Conference for the Technology of Plasticity  No  Junki Ishino, Shohei Kajikawa, Takashi Kuboki, Akira Yamauchi, Akira Gunji, Katsuyuki Onishi  2020/11/14 
Oral presentation for an academic conference  Flexible diameter reduction on middle of tube by ball spin forming  The Proc. of the 71th Japanese Joint Conference for the Technology of Plasticity  No  Shota Hirama, Takayuki Ikeda, Shohei Kajikawa, Takashi Kuboki  2020/11/14 
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Artistic Activity, Architectural Works, etc.
マルチワイヤソ-による切断方法  1991-1991 
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Intellectual property rights
Patent  ねじり加工用ローラ、ねじり加工装置及びねじり加工方法  特願2021- 74604  2021/04/27  Filed 
Patent  管材製造装置、管材製造方法、および、管材  特願2011-112537  2011/05/19  特開2012-240084  2012/12/10  Published 
Patent  曲げ加工装置および曲げ加工方法  特願2011-065926  2011/03/24  特開2012-200741  2012/10/22  Published 
Patent  金属円管の口絞り加工方法および口絞り加工用ダイス  特願2005-236781  2005/08/17  特許公開2007-050423  2007/03/01  Published 
Patent  外周部の断面形状が円形の金属材の製造方法及びその製造装置  1998/08/04  特許第3309807号  2000/02/04  Published 
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Awards
日本塑性加工学会賞 技術開発賞(一般)  レーザ切断材の曲げ加工時に発生する長手そり抑制技術の開発  2017/06/08 
天田財団 第14回助成研究成果発表会 優秀賞  傾き自在な工具を用いた薄板・箔のマイクロ逐次打点成形  2016/05/20 
日本塑性加工学会 東京・南関東支部 技術開発賞  レーザ切断材の曲げ加工時に発生する長そり抑制技術の開発  2016/04/21 
日本塑性加工学会論文賞「冷間据込み時の割れ発生予測」  2004/05/22 
The Silver Certificate Award from Wire Association International  2003/05/12 
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Past records of joint or funded research
スピニング加工技術による大径長尺極薄肉金属ロールの開発  2008-2008  Joint research  Domestic joint research 
回転引き曲げにおける扁平の抑制  2006-2008  Joint research  Domestic joint research 
バウシンガー効果を考慮した金属板のL曲げ解析に関する研究  2006-2007  Joint research  Domestic joint research 
金属板の曲げ加工におけるスプリングバック予測に関する研究  2006-2006  Joint research  Domestic joint research 
パイプの曲げ加工技術  2005-2006  Joint research  Domestic joint research 
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Memberships of academic societies
The Japan Society of Machanical Engineers  2005-Present 
The Japan Society for Technology of Plasticity  1995/02-Present 
The Iron and Steel Institute of Japan  1996/07-Present 
Institution of Mechanical Engineers  2000/12-Present 
The Society of Materials Science, Japan  2001/06-Present 
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Committee or council involvement
Institution of Mechanical Engineers  Corresponding Member, Interviewer  2008/04-Present 
The Japan Society for Technology of Plasticity  チューブフォーミング分科会 委員  2004/04-Present 
The Japan Society for Technology of Plasticity  伸線技術分科会運営委員  2003/05-Present 
The Iron and Steel Institute of Japan  ふぇらむ会報委員会委員  2003/04-Present 
The Iron and Steel Institute of Japan  棒鋼・線材圧延3次元FEM解析システムのフォローアップ委員会委員  1998/04-1999/03 
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Industry-academia-government collaboration activities
International collaborative project, etc.  IIT-Kanpur  日印自然科学協力事業  2008/04-Present 
International collaborative project, etc.  DST, IIT-Kanpur  二国間交流事業  フリーサイズ伸線機の研究と開発  2008/04-2010/03 
International collaborative project, etc.  DST, IIT-Kanpur  二国間交流事業  極細線成形加工機の研究と開発  2006/04-2008/03 
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Media coverage
Newspaper  半導体産業新聞  極薄ステンレスロール基材を開発  2010/02/03 
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