Issued Patents 1997
Showing 1–1 of 1 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 |