Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9283634 | Arc welding method and arc welding apparatus | Taisei Wakisaka, Masahito Mutou, Tokuji Okumura, Takanori Suzuki | 2016-03-15 |
| 8283591 | Welding apparatus and welding method | Jun Kitagawa, Toshiyuki Horimukai, Junya TANABE, Kazunao Uchiyama | 2012-10-09 |