TS

Toshifumi Sakai

SE Seiko Epson: 39 patents #319 of 7,774Top 5%
TK Toyoda Koki Kabushiki Kaisha: 14 patents #17 of 674Top 3%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
JT Jtekt: 3 patents #557 of 1,969Top 30%
PC Prime Polymer Co.: 2 patents #16 of 116Top 15%
DA Daikyo: 2 patents #4 of 25Top 20%
DA Daikyonishikawa: 2 patents #8 of 85Top 10%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
FL Furuno Electric Company Limited: 1 patents #215 of 407Top 55%
GD Gp Daikyo: 1 patents #19 of 40Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
3M: 1 patents #7,233 of 11,543Top 65%
📍 Nagano, JP: #16 of 38 inventorsTop 45%
Overall (All Time): #32,551 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
6510932 Driving force transmission system Akihiko Ikeda, Shinji Ogawa, Hirokazu Suzuki, Mitsuru Ohba, Fumitomo Tsuchiya +11 more 2003-01-28
6494510 Impact absorbing mechanism and bumper reinforcement having the mechanism Masaharu Okamura 2002-12-17
6315099 Driving force transmission system Akihiko Ikeda, Shinji Ogawa, Hirokazu Suzuki, Mitsuru Ohba, Fumitomo Tsuchiya +11 more 2001-11-13
6109408 Driving force transmission system Akihiko Ikeda, Shinji Ogawa, Hirokazu Suzuki, Mitsuru Ohba, Fumitomo Tsuchiya +11 more 2000-08-29
5988713 Bumper reinforcement Masaharu Okamura 1999-11-23
5954173 Drive force transmission apparatus Kunihiko Suzuki, Naoyuki Kokubo, Masayuki Shimada, Tomohiro Maruyama, Hisashi Fukuchi +3 more 1999-09-21
5305858 Rotary shock absorber having vanes with radial flow clearance Kyosuke Haga, Naoyuki Kokubo, Masaharu Ooba, Youzo Yamaguchi, Sadamu Tuge 1994-04-26
5197583 Torque transmission device Hiroshi Takuno 1993-03-30
5072657 Blowing louver with swinging fins for air conditioners 1991-12-17
5056640 Torque transmission device for a four-wheel drive vehicle Masaji Yamamoto, Shigeo Tanooka, Nobunao Morishita 1991-10-15
5031743 Driving power transmission Nobunao Morishita, Tetsuya Nakano 1991-07-16
5007885 Driving torque transmitting device Masaji Yamamoto, Shigeo Tanooka 1991-04-16
4905808 Torque transmission device for a four-wheel drive vehicle Tamaki Tomita, Hiroaki Asano, Keiichi Nakamura, Masaji Yamamoto, Shigeo Tanooka +2 more 1990-03-06
4817751 A driving force distribution transmission for vehicles with four-wheel drive Hiroaki Asano, Keiichi Nakamura, Masaji Yamamoto, Shigeo Tanooka 1989-04-04
4610614 Vane pump Kyosuke Haga, Tsuneo Tanaka 1986-09-09
4599051 Vane type rotary pump Akio Numazawa, Keiichi Nakamura 1986-07-08