KE

Keiichi Egawa

TI Toray Industries: 6 patents #426 of 3,690Top 15%
NT NTT: 2 patents #2,095 of 4,871Top 45%
Overall (All Time): #890,925 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5368782 Method of operating third-order nonlinear optical element Tetsuya Gotoh, Tosiyuki Kondoh, Ken-ichi Kubodera 1994-11-29
5290485 Third-order nonlinear optical element Tetsuya Gotoh, Tosiyuki Kondoh, Ken-ichi Kubodera 1994-03-01
5220451 Second-order nonlinear optical device Tetsuya Gotoh, Tetsuya Tsunekawa, Seiji Fukuda, Hiroshi Mataki 1993-06-15
5169986 Organic nonlinear optical material Tetsuya Tsunekawa, Tetsuya Gotoh 1992-12-08
4987255 Organic nonlinear optical material Tetsuya Tsunekawa, Tetsuya Gotoh 1991-01-22
4323639 Photosensitive polyamide resin composition Kazumasa Chiba, Toshio Muraki 1982-04-06