Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560091 | Gas insulated switchgear | Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Yoriyuki Aiko, Shunji Ito | 2003-05-06 |
| 6556428 | Gas insulated switchgear | Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Yoriyuki Aiko, Shunji Ito | 2003-04-29 |
| 5453910 | Gas insulated switchgear device | Syunji Itou, Hitoshi Kayaba, Hiroshi Suzuyama, Minoru Sakaguchi | 1995-09-26 |