TH

Tetsuo Hamajima

TO Toyota: 3 patents #27 of 540Top 5%
AC Aisin Aw Co.: 2 patents #27 of 70Top 40%
Overall (1997): #10,482 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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