Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628399 | Anti-overvoltage protector | Yuji Muramatsu | 1986-12-09 |
| 4578733 | Surge voltage arrester | Haruo Kunii, Masaaki Endo | 1986-03-25 |
| 4410831 | Overvoltage protecting element | Yuji Muramatsu | 1983-10-18 |