KT

Kazumasa Tsukamoto

AC Aisin Aw Co.: 111 patents #1 of 2,011Top 1%
TO Toyota: 25 patents #786 of 26,838Top 3%
AI Aisin-Warner: 4 patents #32 of 98Top 35%
AC Aishin Aw Co.: 3 patents #5 of 45Top 15%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
EC Equos Research Co.: 1 patents #34 of 97Top 40%
KR Kabushikikaisha Equos Research: 1 patents #52 of 103Top 55%
AK Aisin-Warner K.K.: 1 patents #10 of 20Top 50%
📍 Toyota, JP: #8 of 316 inventorsTop 3%
Overall (All Time): #9,675 of 4,157,543Top 1%
122
Patents All Time

Issued Patents All Time

Showing 101–122 of 122 patents

Patent #TitleCo-InventorsDate
5403248 Control system for changing servo timings of hydraulic pressure based on a torque input in automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Yasuo Hojo +2 more 1995-04-04
5368531 Control method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Yasuo Hojo +3 more 1994-11-29
5351577 Control system for servo hydraulic pressure of two friction engaging means during an N-R shift in automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Yasuo Hojo +2 more 1994-10-04
5348518 Automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Koji Noda 1994-09-20
5334114 Control system for servo hydraulic pressure in vehicular automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Yasuo Hojo +3 more 1994-08-02
5267917 Rotary element engaging device for an automatic transmission Masanori Kadotani, Masahiro Haybuchi, Takashi Morimoto, Yasuo Hojo, Hidehiro Oba +1 more 1993-12-07
5254053 Five-speed automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Masanori Kadotani, Masahiko Ando, Yasuo Hojo +3 more 1993-10-19
5191814 Speed change control system in automatic transmission Masahiko Ando, Masahiro Hayabuchi, Hideo Tomomatsu, Yasuo Hojo, Kunihiro Iwatsuki 1993-03-09
5175999 Torque converter device with lubricating washer on turbine hub Takeshi Hara, Hideji Kato, Takao Taniguchi 1993-01-05
5174423 Lock-up apparatus in torque converter Takuji Taniguchi, Hideji Katoh, Koji Maeda, Kunihiro Iwatsuki 1992-12-29
5109733 Hydraulic control device for an automatic transmission Kazunori Ishikawa, Takuji Taniguchi, Yutaka Taga 1992-05-05
5078028 Hydraulic control device with cutback valve for an automatic transmission Kaunori Ishikawa, Hideo Tomomatsu, Tadashi Kondo, Yuji Kashihara, Takuji Taniguchi +2 more 1992-01-07
5069657 Automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Koji Noda 1991-12-03
5061229 Four-wheel drive device Takao Taniguchi, Takuji Taniguchi, Takahiro Yamashita 1991-10-29
5010991 Lock-up clutch control device for a torque converter Kazunori Ishikawa, Takuji Taniguchi, Kunihiro Iwatsuki, Yutaka Taga 1991-04-30
4991464 Engine brake control device for an automatic transmission Kazunori Ishikawa, Takuji Taniguchi, Yuji Kashihara, Kunihiro Iwatsuki, Hiroji Taniguchi 1991-02-12
4908255 Separate plate and process for producing the same Kazunori Ishikawa, Takuji Taniguchi, Shiro Goto 1990-03-13
4866935 Hydraulic torque converter Masahiro Hayabuchi, Tokuyuki Takahashi, Seitoku Kubo, Koujiro Kuramochi 1989-09-19
4716998 Direct coupling clutch with a damper device for a fluid coupling Masahiro Hayabuchi, Koji Maeda, Kazuaki Watanabe, Yutaka Taga 1988-01-05
4693348 Direct coupling clutch with an integral damper device for a fluid coupling Masahiro Hayabuchi, Koji Maeda, Kazuaki Watanabe, Yutaka Taga 1987-09-15
4621710 Bearing lubrication system for extension housing of vehicular transmission Takuji Taniguchi, Seitoku Kubo, Yutaka Taga 1986-11-11
4347763 One-way brake Shiro Sakakibara, Takahiro Sakai, Yukio Terakura 1982-09-07