Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34378 | Light emitting device with improved electrode structure to minimize short circuiting | Masaaki Sawai, Masamichi Kobayashi, Shoji Hayashi, Hiroshi Naka | 1993-09-14 |
| 4785455 | Light emitting device with improved electrode structure to minimize short circuiting | Masaaki Sawai, Masamichi Kobayashi, Shoji Hayashi, Hiroshi Naka | 1988-11-15 |
| 4692927 | Light emitting device with improved electrode structure to minimize short circuiting | Masaaki Sawai, Masamichi Kobayashi, Shoji Hayashi, Hiroshi Naka | 1987-09-08 |
| 4367483 | Optical semiconductor device | Takeo Takahashi, Kazuhiro Kurata, Yuichi Ono, Kazuhiro Ito, Makoto Morioka +5 more | 1983-01-04 |