Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10843285 | Welding device | Hirohisa KISHIKAWA, Shigeto TAKADA, Hiroshi Matsumura | 2020-11-24 |
| 10843286 | Welding device | Hirohisa KISHIKAWA, Hiroshi Matsumura, Shigeto TAKADA, Kenji Sadahiro | 2020-11-24 |