HO

Hidehiro Oba

AC Aisin Aw Co.: 4 patents #1 of 47Top 3%
TO Toyota: 3 patents #14 of 421Top 4%
UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #6,121 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5368531 Control method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Kazumasa Tsukamoto +3 more 1994-11-29
5351577 Control system for servo hydraulic pressure of two friction engaging means during an N-R shift in automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Kazumasa Tsukamoto +2 more 1994-10-04
5339709 Control system for a combined shift in which an accumulator is disconnected in an automatic transmission Akira Suzuki, Kazunori Ishikawa, Kunihiro Iwatsuki, Hiromachi Kimura, Hideaki Otsubo 1994-08-23
5334114 Control system for servo hydraulic pressure in vehicular automatic transmission Masahiko Ando, Koji Noda, Yoshihisa Yamamoto, Masahiro Hayabuchi, Kazumasa Tsukamoto +3 more 1994-08-02