Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157157 | Organic EL element and organic EL display | Kazushige Yamamoto | 2007-01-02 |
| 6252894 | Semiconductor laser using gallium nitride series compound semiconductor | Katsunobu Sasanuma, Shinji Saito, Genichi Hatakoshi, Kazuhiko Itaya, Masaaki Onomura +4 more | 2001-06-26 |