Issued Patents All Time
Showing 1–4 of 4 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, Osamu Isshiki, Shigetaka Takeuchi +1 more | 1997-02-11 |
| 5498849 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1996-03-12 |
| 5444206 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor | Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Sadao Nakagawa, Seizo Nakano +7 more | 1995-08-22 |
| 4527043 | Laser machining system | Akiyasu Okazaki, Sigeru Suzuki | 1985-07-02 |