HO

Hidehiro Oba

TO Toyota: 6 patents #8 of 540Top 2%
AC Aisin Aw Co.: 3 patents #14 of 70Top 20%
AC Aishin Aw Co.: 1 patents #7 of 14Top 50%
Overall (1997): #2,688 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 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
5672138 Control system for automatic transmission Tsuyoshi Mikami, Nobuaki Takahashi 1997-09-30
5665027 Shift control system for automatic transmission Kagenori Fukumura, Yasuo Hojo, Atsushi Tabata, Hiromichi Kimura, Masato Kaigawa +5 more 1997-09-09
5634869 Shift control system for automatic transmission Tsuyoshi Mikami, Nobuaki Takahashi 1997-06-03
5616094 Hydraulic control system for automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Toshiyuki Mae, Motoyuki Sakai +6 more 1997-04-01
5605516 Oil pressure controller of automatic transmission Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Tsuyoshi Mikami, Masato Kaigawa +4 more 1997-02-25