Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345140 | Composite wire for stainless steel welding | Shoji Minato, Katushi Nishimura, Tsuneshi Ogawa | 1982-08-17 |
| 4336441 | Welding process | Tohru Sugiyama, Yutaka Nishikawa | 1982-06-22 |