Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333001 | Method for welding an impeller | Syuhei Nakahama | 1982-06-01 |
| 4296308 | Apparatus for welding impeller | Syuhei Nakahama | 1981-10-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333001 | Method for welding an impeller | Syuhei Nakahama | 1982-06-01 |
| 4296308 | Apparatus for welding impeller | Syuhei Nakahama | 1981-10-20 |