Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881917 | Vacuum switchgear | Shuuichi Kikukawa, Yasuaki Suzuki, Masato Kobayshi, Tooru Tanimizu | 2005-04-19 |
| 6498314 | Vacuum switch and vacuum switchgear using the same | Toru Tanimizu, Syuuichi Kikukawa, Katunori Kojima, Ayumu Morita, Hiroshi Yokoyama +2 more | 2002-12-24 |
| 6335502 | Vacuum switch and vacuum switch gear using the vacuum switch | Shuichi Kikukawa, Tooru Tanimizu, Minoru Kanoi, Makoto Tazawa | 2002-01-01 |