YO

Yoshitami Oka

TE Tokyo Shibaura Electric: 1 patents #96 of 337Top 30%
Overall (All Time): #2,355,802 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4560642 Method of manufacturing a semiconductor device Toshio Yonezawa, Takashi Ajima, Shunichi Hiraki, Yutaka Koshino 1985-12-24
4351894 Method of manufacturing a semiconductor device using silicon carbide mask Toshio Yonezawa, Takashi Ajima, Shunichi Hiraki, Yutaka Koshino 1982-09-28