YH

Yasuo Hojo

TO Toyota: 4 patents #5 of 421Top 2%
AC Aisin Aw Co.: 3 patents #5 of 47Top 15%
UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #2,299 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 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
5363724 Speed stage shifting of automatic transmission by reduction of servo oil pressure to slip limit stand-by pressure and subsequent decrements Norimi Asahara, Hideaki Ohtubo 1994-11-15
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
5347885 Shift control system for selecting between two shift patterns based on the transmission temperature and lock-up clutch state in an automatic transmission Yutaka Taga, Atsushi Tabata 1994-09-20
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