Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847911 | Electronic parts recognition method and apparatus therefore | Kazumasa Okumura, Yoshikazu Okahashi | 1989-07-11 |
| 4845764 | Shape recognition apparatus | Hideshi Ueda, Kazumasa Okumura, Yoshikazu Okahashi | 1989-07-04 |
| 4813016 | Tunnel memory device having a multi-layered Langmuir-Blodgett film | Takao Okada | 1989-03-14 |