Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596913 | Impeder for electric resistance tube welding | Hiroshi Takechi, Mitsuo Yoshizawa, Hirohisa Ichihara | 1986-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596913 | Impeder for electric resistance tube welding | Hiroshi Takechi, Mitsuo Yoshizawa, Hirohisa Ichihara | 1986-06-24 |