YT

Yasutsugu Tsutsumi

Mitsubishi Electric: 12 patents #2,296 of 25,717Top 9%
Overall (All Time): #427,978 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6224810 Method of plastic molding 2001-05-01
5662848 Plastic molding method for semiconductor devices Sueyoshi Tanaka, Zyunzi Sakakibara 1997-09-02
5375989 Apparatus for plastic encapsulation of a semiconductor element 1994-12-27
5366364 Plastic molding apparatus Sueyoshi Tanaka, Zyunzi Sakakibara 1994-11-22
5336272 Method for molding a semiconductor package on a continuous leadframe Sueyoshi Tanaka 1994-08-09
5281121 Resin sealing apparatus Sueyoshi Tanaka, Yutaka Morita 1994-01-25
5134458 Long size lead frame for semiconductor elements Sueyoshi Tanaka 1992-07-28
5108278 Resin sealing apparatus Sueyoshi Tanaka, Yutaka Morita 1992-04-28
5074779 Mold for resin-sealing a semiconductor device Sueyoshi Tanaka 1991-12-24
5059379 Method of resin sealing semiconductor devices Sueyoshi Tanaka, Tatsuro Takahashi, Yutaka Morita, Hideaki Seuzaki, Hiromichi Yamada 1991-10-22
4983111 Device for resin sealing semiconductor devices Sueyoshi Tanaka, Tatsuro Takahashi, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada 1991-01-08
4915608 Device for resin sealing semiconductor devices Sueyoshi Tanaka, Tatsuro Takahashi, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada 1990-04-10