Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700284 | High-voltage thyristor converter and laser with mirror control therefor | Toshiaki Yoshizumi | 1987-10-13 |
| 4281209 | Gas-insulated electrical apparatus with dielectric particle trapping barriers | Yoshikazu Shibuya, Ioichiro Nakanishi | 1981-07-28 |