Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529009 | Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof | Shuuichi Kikukawa, Tooru Tanimizu, Ayumu Morita, Masashige Tsuji | 2003-03-04 |