Issued Patents 2005
Showing 1–2 of 2 patents
| 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 |