Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368782 | Method of operating third-order nonlinear optical element | Tetsuya Gotoh, Keiichi Egawa, Ken-ichi Kubodera | 1994-11-29 |
| 5290485 | Third-order nonlinear optical element | Tetsuya Gotoh, Keiichi Egawa, Ken-ichi Kubodera | 1994-03-01 |
| 4816386 | Near-infrared sensitive phthalocyanine-polymer compositions | Tetsuya Gotoh, Mutsuo Aoyagi | 1989-03-28 |