Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453910 | Gas insulated switchgear device | Syunji Itou, Masahiro Takahoshi, Hiroshi Suzuyama, Minoru Sakaguchi | 1995-09-26 |
| 4638403 | Gas-insulated switchgear apparatus | Naoki Amano, Takehiro Kikuchi | 1987-01-20 |
| 4503481 | Gas insulated switchgear equipment | Sigeru Fujiya, Tohru Tsubaki, Naoki Amano, Kyuzi Yaginuma, Yoriyuki Aiko +1 more | 1985-03-05 |