Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882580 | Communication system | Yasuo Watanabe, Akira Takeuchi | 1989-11-21 |
| 4878176 | Production process control system | Yasuo Watanabe, Akira Takeuchi | 1989-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882580 | Communication system | Yasuo Watanabe, Akira Takeuchi | 1989-11-21 |
| 4878176 | Production process control system | Yasuo Watanabe, Akira Takeuchi | 1989-10-31 |