TM

Tsutomu Matsumoto

JT Jtekt: 8 patents #189 of 1,969Top 10%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
TK Toyoda Koki Kabushiki Kaisha: 4 patents #108 of 674Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
NT NTT: 1 patents #2,911 of 4,871Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
AM Amano: 1 patents #20 of 70Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
YU Yokohama National University: 1 patents #11 of 55Top 20%
Overall (All Time): #115,568 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
6769063 Data converter and recording medium on which program for executing data conversion is recorded Masayuki Kanda, Youichi Takashima, Kazumaro Aoki, Hiroki Ueda, Kazuo Ohta 2004-07-27
6031464 Security system based on certification Hiroyuki Matsumoto, Masatake Ohno 2000-02-29
5906250 Motor-driven power steering apparatus Kyousuke Haga, Kiyotaka Kato, Yutaka Mori, Tsuguhiro Somekawa 1999-05-25
5178026 Damper device for motor 1993-01-12
4858134 Device for controlling steering force in power steering apparatus Kunihiko Eto, Shiro Takeuchi, Yutaka Mori, Shigeo Tanooka, Kazumasa Kodama 1989-08-15
4637483 Steering characteristic controller for a power steering system Kunihiko Eto, Shigeo Iwashita 1987-01-20