Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057270 | Contact device | Hideaki Shimazu, Hiroyuki Nakagawa, Hitoshi Sadakuni, Tatsuya Hayashi | 2011-11-15 |
| 7999202 | Contact | Hitoshi Sadakuni, Hiroyuki Nakagawa, Hideaki Shimazu | 2011-08-16 |
| 8000087 | Gas insulated switchgear | Takuya Otsuka, Hitoshi Sadakuni | 2011-08-16 |
| 7911770 | Gas insulated switchgear | Takuya Otsuka, Hitoshi Sadakuni | 2011-03-22 |