Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10493555 | Penetration welding method | Keishi Setoda, Yusuke Muramatsu | 2019-12-03 |
| 10399174 | Switching electrode and resistance welding device using same, spot welding device and spot welding method | Takahiro Morita, Shinichi Miyasaka, Akira Goto, Tatsuro Ikeda | 2019-09-03 |