Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821496 | Method of controlling transient recovery voltage and gas insulation switch gear using the same | Eisaku Mizufune, Takashi Sato, Katsuichi Kashimura, Osamu Koyanagi, Yoshihito Asai | 1998-10-13 |