Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560091 | Gas insulated switchgear | Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Shunji Ito | 2003-05-06 |
| 6556428 | Gas insulated switchgear | Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Shunji Ito | 2003-04-29 |
| 4503481 | Gas insulated switchgear equipment | Sigeru Fujiya, Tohru Tsubaki, Naoki Amano, Kyuzi Yaginuma, Hitoshi Kayaba +1 more | 1985-03-05 |