Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328351 | Pipe joint with enlarged metal pipe and method for manufacturing same | Hisao Kato, Ryoichi Izumi | 2001-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328351 | Pipe joint with enlarged metal pipe and method for manufacturing same | Hisao Kato, Ryoichi Izumi | 2001-12-11 |