Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6259051 | Vacuum switch and a vacuum switchgear using the same | Toru Tanimizu, Masato Kobayashi, Shuichi Kikukawa, Ayumu Morita, Minoru Suzuki +6 more | 2001-07-10 |
| 6144005 | Vacuum switch and a vacuum switchgear using the same | Toru Tanimizu, Masato Kobayashi, Shuichi Kikukawa, Ayumu Morita, Minoru Suzuki +6 more | 2000-11-07 |
| 4538039 | Composite circuit breaker | Kiyofumi Iwamoto | 1985-08-27 |