YS

Yoshikazu Sakaguchi

AI Aisin-Warner: 3 patents #7 of 45Top 20%
TO Toyota: 3 patents #50 of 681Top 8%
AC Aisin Aw Co.: 1 patents #5 of 21Top 25%
Overall (1989): #3,250 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4875665 Accumulator Eiji Kato, Masanori Kadotani, Seitoku Kubo, Kunihiro Iwatsuki, Hiroji Taniguchi +1 more 1989-10-24
4854195 Hydraulic control system for vehicular automatic transmission with two accumulator control values to vary back pressure to accumulator to follow the change in engine torque Shuzo Moroto, Koji Sumiya, Seitoku Kubo, Yutaka Taga 1989-08-08
4840092 Hydraulic control device for automatic transmissions Yutaka Taga, Yuji Kashihara 1989-06-20
4829853 Hydraulic control system for automatic transmission 1989-05-16