Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563569 | Gas shielded arc welding torch with consumable electrode wire | Kousuke Shiramizu, Yoshirou Awano, Hiromu Yamagami, Hiroshi Takai | 1986-01-07 |
| 4482797 | Electrode biasing welding torch | Kousuke Shiramizu, Yoshiro Awano, Hiroyuki Takeyama, Kenji Sakakibara, Hiromu Yamagami | 1984-11-13 |