TK

Takao Kawaguchi

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,038,109 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6946798 Plasma display apparatus Toshio Fujimura 2005-09-20
4940934 Method of electrically testing active matrix substrate Tatsuhiko Tamura, Etsuya Takeda 1990-07-10
4938566 Display apparatus Etsuya Takeda, Yutaka Nanno, Seiichi Nagata 1990-07-03
4778560 Method for production of thin film transistor array substrates Etsuya Takeda, Yutaka Nanno, Noriko Okawa, Seiichi Nagata 1988-10-18
4715680 Optical switch Hideaki Adachi, Kentaro Setsune, Kenzo Ohji, Kiyotaka Wasa 1987-12-29