Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882580 | Communication system | Mitsuji Teranishi, Yasuo Watanabe | 1989-11-21 |
| 4878176 | Production process control system | Mitsuji Teranishi, Yasuo Watanabe | 1989-10-31 |
| 4823713 | Sewing machine with an ultrasonic heater for folding back sewn edges | Yoshitake Ogawa, Hisataka Mizutani | 1989-04-25 |