Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328478 | Roller bearing for bearing unit | Shizuaki Hashimoto | 2001-12-11 |
| 5601735 | Long-sized tubular grounding container unit for gas-insulated electrical device and laser welding device for manufacturing the same | Hideo Kawamoto, Tokio Yamagiwa, Masayoshi Hashiura, 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 |