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 51–75 of 122 patents

Patent #TitleCo-InventorsDate
5836852 Control mechanism for automatic transmission Hiroshi Tsutsui, Masahiro Hayabuchi, Takayuki Hisano, Nobutada Sugiura 1998-11-17
5833571 Continuously variable transmission Takeshi Inuzuka, Masashi Hattori 1998-11-10
5830101 Automatic transmission Masaaki Nishida, Nobutada Sigiura, Masahiro Hayabuchi, Mitsutaka ITO 1998-11-03
5822987 Stator and one way clutch assembly for a torque converter Masahiro Hayabuchi, Koji Maeda, Yutaka Teraoka, Makoto Yamaguchi 1998-10-20
5813933 Continuously variable transmission with bias springs on the drive and driven pulleys for setting a predetermined speed ratio when the cut is in neutral Takeshi Inuzuka, Masashi Hattori, Takashi Furuya 1998-09-29
5807207 Control apparatus for an automatic transmission Takayuki Hisano, Masahiro Hayabuchi, Hiroshi Tsutsui 1998-09-15
5803866 Control system for automatic transmission Masahiro Hayabuchi, Masaaki Nishida, Yoshihisa Yamamoto, Akitomo Suzuki 1998-09-08
5800308 Pressure control of hydraulic servos while in gear at a stopped neutral state Hiroshi Tsutsui, Masahiro Hayabuchi, Masaaki Nishida, Yoshihisa Yamamoto 1998-09-01
5792022 Control system for automatic transmissions Takayuki Hisano, Masahiro Hayabuchi, Hiroshi Tsutsui 1998-08-11
5788600 Continuously variable transmission Takeshi Inuzuka, Masashi Hattori 1998-08-04
5782711 Hydraulic pressure control apparatus for an automatic transmission Hiroshi Tsutsui, Masahiro Hayabuchi, Masaaki Nishida, Yoshihisa Yamamoto, Toshihiro Kano +2 more 1998-07-21
5779585 Hydraulic control apparatus for automatic transmission Masahiro Hayabuchi, Masaaki Nishida, Yoshihisa Yamamoto, Akitomo Suzuki 1998-07-14
5772553 Control system for automatic transmission Masahiro Hayabuchi, Yoshihisa Yamamoto, Hiroshi Tsutsui, Yuuki Kousaka 1998-06-30
5768952 Automatic transmission Masahiro Hayabuchi, Masaaki Nishida, Kaoru Ono 1998-06-23
5771478 Vehicle drive system with electrical power regeneration Takeshi Inuzuka, Masashi Hattori, Takuji Taniguchi, Haruki Takemoto, Kozo Yamaguchi 1998-06-23
5762172 Hydraulic power transmission unit Masahiro Hayabuchi, Koji Maeda, Yutaka Teraoka, Makoto Yamaguchi 1998-06-09
5749802 Automatic transmission control apparatus Katsuyuki Tanahashi, Hiroshi Tsutsui, Yoshihisa Yamamoto 1998-05-12
5741200 Control apparatus for an automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Masaaki Nishida, Hiroshi Tsutsui, Muneo Kusafuka +2 more 1998-04-21
5735369 Band brake drum supporting device for automatic transmission Masahiro Hayabuchi, Masaaki Nishida, Akitoshi Kato, Satoru Kasuya, Nobutada Sugiura +1 more 1998-04-07
5735376 Automatic transmission for vehicles Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Masahiro Hayabuchi, Masaaki Nishida +2 more 1998-04-07
5725451 Control system for automatic transmission Masahiko Ando, Masahiro Hayabuchi, Akira Fukatsu, Masato Kaigawa, Kagenori Fukumura +4 more 1998-03-10
5692991 Automatic transmission control apparatus Akihito Iwata, Yoshihisa Yamamoto, Masahiro Hayabuchi 1997-12-02
5692990 Automatic transmission control apparatus Yoshihisa Yamamoto, Akihito Iwata 1997-12-02
5690576 Continuously variable transmission with control of switching between forward and reverse Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Shiro Sakakibara, Takeshi Inuzuka +1 more 1997-11-25
5683325 Automatic transmission for vehicle Shuzo Moroto, Takao Taniguchi, Shoichi Miyagawa, Masahiro Hayabuchi, Masaaki Nishida +3 more 1997-11-04