Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814742 | Inquiry system for detecting a selected object | Shizuo Morita, Tatsuo Togo, Hiroo Tazaki | 1989-03-21 |
| 4806436 | Substrate for amorphous silicon solar cells | Kenji Tsukamoto, Tatsuo Otsuka | 1989-02-21 |