Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10026570 | Vacuum valve | Wataru Sakaguchi, Yuki Sekimori | 2018-07-17 |
| 6080952 | Electrode arrangement of vacuum circuit breaker with magnetic member for longitudinal magnetization | Tsutomu Okutomi, Tsuneyo Seki, Iwao Ohshima, Mitsutaka Homma, Hiromichi Somei +2 more | 2000-06-27 |