Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995938 | Supporting device for ultrasonic vibration assembly | — | 1991-02-26 |
| 4808961 | Thermally-sensible overcurrent protective relay including contact toggle mechanism | Yuji Sako, Shigeharu Ootsuka | 1989-02-28 |