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 1–25 of 122 patents

Patent #TitleCo-InventorsDate
8590683 Drive plate and ring gear member of drive plate Takamitsu Kuroyanagi, Takuya Inagaki, Sachio HONJO, Takenori Kanou 2013-11-26
8100809 Automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Akitoshi Katou, Satoru Kasuya, Naoji Katou +4 more 2012-01-24
7731627 Vehicle parking control system Katsutoshi Shimizu, Kazuo Takemoto, Kazuhisa Ozaki, Saijiro Tanaka 2010-06-08
7721624 Automatic transmission and running range switching device Michimasa Tanaka, Kazumichi Kayama, Takeo Arai, Kazuhisa Ozaki 2010-05-25
7650973 Hydraulic power transmission device Kazuhisa Ozaki, Takeshi Inuzuka, Mitsugu Yamashita, Atsuhiro Mase 2010-01-26
7255186 Hybrid drive system and vehicle equipped therewith Satoru Wakuta, Kenji Omote, Takeshi Inuzuka, Kazuhisa Ozaki, Kozo Yamaguchi +3 more 2007-08-14
7174978 Hybrid drive unit, and front-engine/rear-drive type automobile having the hybrid drive unit mounted thereon Takao Taniguchi, Kozo Yamaguchi, Kazuhisa Ozaki, Takeshi Inuzuka, Satoru Wakuta 2007-02-13
7075441 Stuck state detection seal and stuck state detection system 2006-07-11
7052433 Automatic transmission Nobutada Sugiura, Takeo Arai, Kazuhisa Ozaki, Kazumichi Kayama, Tomochika Inagaki 2006-05-30
6935450 Hybrid vehicle driving device Shigeo Tsuzuki, Takeshi Inuzuka, Satoru Wakuta, Takahiro Kido, Takao Taniguchi +1 more 2005-08-30
6679804 Automatic transmission Hiroshi Kato, Masahiro Hayabuchi, Masaaki Nishida, Satoru Kasuya, Akitoshi Kato 2004-01-20
6553868 Gear supporting structure and hybrid driving unit employing gear supporting structure Masayuki Takenaka 2003-04-29
6478101 Drive unit for hybrid vehicle Takao Taniguchi, Satoru Wakuta, Shigeo Tsuzuki, Takeshi Inuzuka, Kenji Omote 2002-11-12
6475113 Hydraulic control system of automatic transmission Akitomo Suzuki, Masaaki Nishida, Takayuki Hisano 2002-11-05
6464610 Hydraulic pressure control apparatus for automatic transmission Takayuki Hisano, Toshiyuki Mae, Akitomo Suzuki 2002-10-15
6422356 Automatic transmission with band brake and hydraulic operator Akitomo Suzuki, Hiroshi Tsutsui, Tsuyoshi KAWAMOTO, Masahiro Ida, Yoshihisa Yamamoto +1 more 2002-07-23
6415685 Vehicular automatic transmission Takao Taniguchi, Masahiro Hayabuchi, Masaaki Nishida, Satoru Kasuya, Akitoshi Katou 2002-07-09
6361468 Automatic transmission Hiroshi Kato, Masahiro Hayabuchi, Masaaki Nishida, Satoru Kasuya, Akitoshi Kato 2002-03-26
6302822 Hydraulic control system of automatic transmission Akitomo Suzuki, Masaaki Nishida, Takayuki Hisano 2001-10-16
6269895 Hybrid drive system Takao Tanuguchi, Shoichi Miyagawa, Shigeo Tsuzuki, Kenji Omote, Seiji Suzuki +1 more 2001-08-07
6220402 Hydraulic servo apparatus for automatic transmission Hiroshi Tsutsui, Masaaki Nishida, Yoshihisa Yamamoto, Akitomo Suzuki, Akihito Iwata +1 more 2001-04-24
6176802 Vehicular automatic transmission Satoru Kasuya, Tomochika Inagaki, Masahiro Hayabuchi, Masaaki Nishida, Kenji Gotou 2001-01-23
6146308 Creep torque control of infinitely variable transmission Takao Taniguchi, Shoichi Miyagawa, Shiro Sakakibara, Takeshi Inuzuka, Masashi Hattori +1 more 2000-11-14
6139463 Automatic transmission for vehicle Satoru Kasuya, Masahiro Hayabuchi, Masaaki Nishida 2000-10-31
6139471 Control system for automatic transmission Hiroshi Tsutsui, Masahiro Hayabuchi, Yoshihisa Yamamoto, Akihito Iwata 2000-10-31