Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568814 | Method and apparatus for cutting concrete by use of laser | Munehide Katsumura | 1986-02-04 |
| 4507540 | Welding method combining laser welding and MIG welding | — | 1985-03-26 |
| 4485287 | Method of making a hole in a thick-walled metal material | Fumikazu Tateiwa | 1984-11-27 |
| 4366950 | Method and apparatus for cutting stainless steel | — | 1983-01-04 |