FY

Fumitomo Yokoyama

AI Aisin-Warner: 4 patents #3 of 45Top 7%
TO Toyota: 1 patents #202 of 681Top 30%
Overall (1989): #5,275 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4889016 Hydraulic servo regulating systems in an automatic transmission Yoshinari Kuwayama, Masakatsu Miura 1989-12-26
4875392 Manual valve in an automatic transmission Yoshinari Kuwayama, Masakatsu Miura 1989-10-24
4850251 Hydraulic control device for automatic transmission Yoshinari Kuwayama, Masakatsu Miura 1989-07-25
4839041 Magnetic oil strainer Yoshinari Kuwayama, Koujiro Kuramochi, Tatsuo Kyushima 1989-06-13