Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111503 | Gas-insulated switchgear | Hiroshi Takeuchi | 2012-02-07 |
| 7938895 | Gas-insulated switchgear apparatus and gas filter device | Kazumichi Hata | 2011-05-10 |
| 7931741 | Gas-insulated switchgear apparatus and gas filter device | Kazumichi Hata | 2011-04-26 |
| D562776 | Gas insulated switchgear | Hitoshi Sadakuni, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-26 |
| D562255 | Gas insulated switchgear | Hitoshi Sadakuni, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-19 |
| D562256 | Gas insulated switchgear | Hitoshi Sadakuni, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-19 |