Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848084 | Gas-insulated equipment | Hiroyuki Hama, Hitoshi Sadakuni, Takuya Otsuka, Eiichi Nagao | 2010-12-07 |
| 7742283 | Gas-insulated equipment | Hiroyuki Hama, Hitoshi Sadakuni, Takuya Otsuka, Eiichi Nagao | 2010-06-22 |
| 6831828 | Gas-insulated switchgear | Hirohide Aoki, Hiroyuki Hama, Takuya Ootsuka, Kouichi Oosumi, Yoshinori Shimizu | 2004-12-14 |