YH

Youichi Hayakawa

AC Aisin Aw Co.: 15 patents #107 of 2,011Top 6%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
AI Aisin-Warner: 1 patents #62 of 98Top 65%
Overall (All Time): #302,021 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6878086 Automatic transmission Nobutada Sugiura, Futomi Hanji, Hiroyuki Tsukamoto, Kazuhisa Ozaki, Keizo Kobayashi +3 more 2005-04-12
6517463 Automatic transmission for vehicle Nobutada Sugiura, Takuya Ishii, Minoru Todo, Kazuhisa Ozaki, Hiroshi Ito +3 more 2003-02-11
5195400 Oil channel structure in automatic transmission Chihiro Hosono, Masaaki Nishida, Makoto Shimanaga 1993-03-23
5050447 Oil reservoir device for an automatic transmission Ryoichi Shirai 1991-09-24
5038638 Hydraulic control device for an automatic transmission Yoshinari Kuwayama, Yoshihiro Yamada 1991-08-13
5029688 Lubrication device for a one-way clutch in an automatic transmission Chichiro Hosono, Masaaki Nishida, Shingo Uozumi 1991-07-09
5019025 Carrier device in an automatic transmission Chihiro Hosono, Masaaki Nishida 1991-05-28
5013287 Automatic transmission with stator shaft mounting structure Chihiro Hosono, Yasuhito Ogasawara 1991-05-07
4995285 Fail-safe hydraulic control valves in an automatic transmission Yoshinari Kuwayama, Yoshihiro Yamada 1991-02-26
4971185 Oil channel structure for automatic transmission Ryoichi Shirai 1990-11-20
4966264 Thrust washer mounting apparatus Chihiro Hosono, Masaaki Nishida, Kozo Kato 1990-10-30
4924731 Hydraulic control device for an automatic transmission Yoshinari Kuwayama, Yoshihiro Yamada 1990-05-15
4903548 Snap ring support device for an automatic transmission Chihiro Hosono, Masaaki Nishida 1990-02-27
4892011 Planetary gear mechanism on an automatic transmission Masaaki Nishida 1990-01-09
4889621 Oil strainer for an automatic transmission Yoshihiro Yamada, Ryoichi Shirai 1989-12-26
4864892 Automatic transmission mechanism Masahiko Ando, Masaaki Nishida, Toshihiro Yamada 1989-09-12