Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759616 | Gas insulated switchgear | Toshiaki Rokunohe, Kenji Tsuchiya, Toyokazu Tanaka | 2004-07-06 |
| 6680453 | Gas insulated switchgear | Toshiaki Rokunohe, Kenji Tsuchiya, Toyokazu Tanaka | 2004-01-20 |