TH

Tetsuo Hamajima

TO Toyota: 10 patents #2,889 of 26,838Top 15%
AC Aisin Aw Co.: 4 patents #484 of 2,011Top 25%
Overall (All Time): #451,523 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11428315 Method of manufacturing driving drum Kazuhiro Toyama, Shingo Iwatani, Tadashi Takagaki, Masataka Umemura 2022-08-30
11041542 Power transmission mechanism Tadashi Takagaki 2021-06-22
10683910 Power transmission mechanism Morihiro Matsumoto, Tadashi Takagaki, Shinobu Ishida 2020-06-16
7074160 Controller for driving system of vehicle Daisuke Inoue, Hideki Yasue, Tadashi Tamura, Hiroki Kondo, Yuji Hattori 2006-07-11
6537179 Vehicle drive apparatus and control method thereof Yoshiaki Yamamoto, Tadashi Tamura, Daisuke Inoue, Hiroji Taniguchi 2003-03-25
5674154 Hydraulic control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Toshiyuki Mae, Motoyuki Sakai +6 more 1997-10-07
5669849 Apparatus for controlling concurrent releasing and engaging actions of frictional coupling devices for shifting vehicle automatic transmission Atsushi Tabata, Nobuaki Takahashi 1997-09-23
5616094 Hydraulic control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Toshiyuki Mae, Motoyuki Sakai +6 more 1997-04-01
5588927 Control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Masahiro Hayabuchi, Akira Fukatsu, Toshiyuki Mae +7 more 1996-12-31
5583768 Shift control system for preventing engine racing Hidehiro Oba, Hiromichi Kimura, Masahiko Ando, Akira Fukatsu, Yoshihisa Yamamoto +2 more 1996-12-10
5473543 Shift timing detecting system for automatic transmission Kazutoshi Nozaki, Kunihiro Iwatsuki, Hidehiro Oba, Yoshinobu Nozaki 1995-12-05