Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910484 | Electromagnetic relay having silencing effect | Shigemitsu Aoki | 1990-03-20 |
| 4439750 | Armature holding structure and hinge wire spring used therein | Kunihisa Fujii, Noboru Tomono | 1984-03-27 |