Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546230 | Welding process using laser beam | Hiroaki Sasaki, Noboru Nishiyama | 1985-10-08 |
| 4527033 | Steel pipe welding method | Junya Matsuyama, Fumimaru Kawabata, Tatsufumi Uegaki, Shigeru Miyake | 1985-07-02 |