Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928340 | Control method for arc welding apparatus and arc welding apparatus | Kei Aimi, Hidetoshi Oyama, Atsuhiro Kawamoto | 2011-04-19 |
| 7842904 | Welding system and consumable electrode welding method | Hiroyuki Nakata, Yasushi Mukai, Tatsuya Ikeda, Naoto Masunaga, Yasuyoshi Honuchi | 2010-11-30 |
| 7598475 | Arc welding control method and arc welding machine | Atsuhiro Kawamoto, Yasushi Mukai, Kei Aimi | 2009-10-06 |
| 7525066 | Consumable electrode type welding method | Yasushi Mukai, Atsuhiro Kawamoto, Tatsuya Ikeda, Hiroyuki Nakata | 2009-04-28 |