Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D562776 | Gas insulated switchgear | Masanori Osumi, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-26 |
| D562254 | Gas insulated switchgear | Takuya Otsuka, Daisuke Fujita | 2008-02-19 |
| D562255 | Gas insulated switchgear | Masanori Osumi, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-19 |
| D562256 | Gas insulated switchgear | Masanori Osumi, Osamu Kisanuki, Takuya Otsuka, Yuki Hyodo, Kiyoshi Sonoda +5 more | 2008-02-19 |
| D552561 | Gas insulated switchgear | Takuya Otsuka, Daisuke Fujita | 2007-10-09 |
| 6946613 | Gas-insulated switchgear | Takuya Otsuka | 2005-09-20 |