Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951993 | Vacuum switch | Shuuichi Kikukawa, Yasuaki Suzuki, Tooru Tanimizu, Koichi Murata | 2005-10-04 |
| 6855903 | Vacuum switch | Shuuichi Kikukawa, Yasuaki Suzuki, Tooru Tanimizu, Koichi Murata | 2005-02-15 |
| 6498314 | Vacuum switch and vacuum switchgear using the same | Takuya Miyo, Toru Tanimizu, Syuuichi Kikukawa, Katunori Kojima, Ayumu Morita +2 more | 2002-12-24 |