Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316204 | Optoelectronic semiconductor device | Eiichi Kitamura, Ryosuke Namazu | 1982-02-16 |
| 4302070 | Optoelectronic semiconductor device having an optical fiber connector | Takayuki Nakayama, Michio Ishihara, Ryosuke Namazu | 1981-11-24 |