Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601735 | Long-sized tubular grounding container unit for gas-insulated electrical device and laser welding device for manufacturing the same | Hideo Kawamoto, Tokio Yamagiwa, Shinji Fukuda, Masayoshi Hashiura, Osamu Isshiki +1 more | 1997-02-11 |
| 4745522 | Gas-insulated switchgear apparatus | Toshihide Mitomo, Satoshi Miwada | 1988-05-17 |
| 4570202 | Gas-insulated switchgear equipment | Isao Nishida, Koji Sasaki, Seizo Nakano, Takeshi Takahashi | 1986-02-11 |