AN

Akio Numazawa

TO Toyota: 24 patents #844 of 26,838Top 4%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #133,019 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
5718449 Side-impact airbag device Masahiro Tanabe 1998-02-17
5337970 Preloader for a webbing retractor Keisuke Imai, Toshimasa Yamamoto, Hitoshi Iwata, Yasutaka Watanabe 1994-08-16
5174521 Preloader Keisuke Imai, Fuminori Teraoka 1992-12-29
5174604 Webbing retractor Tatsushi Kubota, Hironori Sasaki 1992-12-29
4930373 Brake system for automatic transmission Yasunori Nakawaki, Fumihiro Ushijima, Toshiyuki Asada 1990-06-05
4860607 Automatic transmission for automotive vehicle Akira Sato, Fumihiro Ushijima 1989-08-29
4836056 Control apparatus for vehicle power transmitting system including continuously variable transmission Yasunori Nakawaki, Takashi Hayashi 1989-06-06
4836050 Transverse type automatic transmission with two separate lay shaft elements Seitoku Kubo, Koujiro Kuramochi 1989-06-06
4739864 Electromagnetic powder clutch for use in a power transmitting system having an automatically operated constant-mesh transmission Akira Sato, Fumihiro Ushijima, Hideaki Matsui 1988-04-26
4723643 Power transmitting system for automotive vehicle, incorporating automatically-operated constant-mesh transmission and clutch device Akira Sato, Fumihiro Ushijima, Hideaki Matsui 1988-02-09
H295 Shift fork support structure in a manual transmission Hajime Arai, Shozi Haga, Tadashi Nozaki 1987-07-07
4599051 Vane type rotary pump Keiichi Nakamura, Toshifumi Sakai 1986-07-08
4508522 Double cardan universal joint Ichio Sakai, Tadanobu Kumagai, Seiichi Nishikawa 1985-04-02
4474363 Suspension for automobile Hiroki Satoh, Kenichi Kikuchi 1984-10-02
4406176 Steering shaft support device Taketo Matoba, Makoto Kida 1983-09-27
4406179 Apparatus for preloading an antifriction bearing in an automatic transmission Seitoku Kubo, Koujiro Kuramochi, Tatsuo Kyushima 1983-09-27
4404869 Power transmission unit for motor vehicles Hajime Arai 1983-09-20
4403526 Manual transmission and hydraulically operated subtransmission Hajime Arai 1983-09-13
4368650 Compact transmission, including a main transmission and a subtransmission Hajime Arai, Shoji Haga 1983-01-18
4365523 Die-cast extension housing of automotive transmission Nobuaki Katayama, Kazuhito Ikemoto, Kan Sasaki, Yukio Terakura 1982-12-28
4359910 Shift mechanism for power transmissions Hideaki Koga, Satomi Suzuki 1982-11-23
4345904 Chain drive assembly Yutaka Taga, Masayoshi Funato 1982-08-24
4315564 Synchro-mesh type gear transmission Nobuaki Katayama 1982-02-16
4287791 Power transmission unit for automotive vehicles Hajime Arai 1981-09-08
4277984 Steering shaft support device Taketo Matoba, Makoto Kida 1981-07-14