TT

Toshihiko Takakura

HI Hitachi: 2 patents #336 of 2,935Top 15%
📍 Koganei, JP: #8 of 40 inventorsTop 20%
Overall (1989): #13,896 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4853343 Method for fabricating a semiconductor integrated circuit device having thick oxide films and groove etch and refill Akihisa Uchida, Daisuke Okada, Katsumi Ogiue, Yoichi Tamaki, Masao Kawamura 1989-08-01
4819054 Semiconductor IC with dual groove isolation Mikinori Kawaji, Akihisa Uchida, Shigeo Kuroda, Yoichi Tamaki, Takeo Shiba +2 more 1989-04-04