YU

Yoshio Umemura

AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #2,108,671 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7967727 Clutch control device Kiyoshi Nagami, Makoto Hashizume, Takashi Kato 2011-06-28
5100815 Fabrication method for BiMOS semiconductor devices with improved speed and reliability Ko Tsubone, Kouichi Shimoda 1992-03-31