Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807191 | Laser welding method, laser welding conditions determining method, and laser welding system | Tatsuyuki Nakagawa, Atsuhiro Kawamoto, Junji Fujiwara, Noriyuki Matsuoka | 2020-10-20 |
| 10654121 | Arc-welding method and arc-welding apparatus | Junji Fujiwara, Atsuhiro Kawamoto | 2020-05-19 |