Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880290 | Opto-electronic device and method for producing the device | Tetsuo Kumazawa, Kazuyuki Fukuda, Eiichi Adachi | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880290 | Opto-electronic device and method for producing the device | Tetsuo Kumazawa, Kazuyuki Fukuda, Eiichi Adachi | 1989-11-14 |