Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11103954 | Laser processing device with tubular filter | Hideaki Akahoshi, Kotaro Fujikura, Akira Yamaguchi, Akio Shimoda | 2021-08-31 |
| 8431858 | Seam welding method and seam welding apparatus | Haruo Machida, Naoji Yamaoka, Tsutomu Asaina | 2013-04-30 |