Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687894 | Induction heating method and apparatus for relieving residual stress in welded joints in pipe line | Tadao Koga, Masanori Terasaki, Tsukasa Maenosono, Satoru Tsushima, Kazuo Yoshida +2 more | 1987-08-18 |