Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604387 | Control method for arc welding apparatus and arc welding apparatus | Kei Aimi, Atsuhiro Kawamoto, Masaru Kowa | 2013-12-10 |
| 8289708 | Electric equipment | Kei Aimi | 2012-10-16 |
| 7928340 | Control method for arc welding apparatus and arc welding apparatus | Kei Aimi, Atsuhiro Kawamoto, Masaru Kowa | 2011-04-19 |
| 7518088 | Controller for arc welding robot | Kei Aimi, Kazunori Matsumoto, Tatsuya Ikeda, Yasushi Mukai | 2009-04-14 |
| 6984805 | Arc welder | Shigeru Shimogama, Yasushi Mukai, Wataru Takahashi | 2006-01-10 |
| 6207928 | Consumable electrode type pulse arc welding method | Atsuhiro Kawamoto, Akira Nakagawa, Yoshiaki Tanaka, Koji Hamamoto, Akiko Ueda +2 more | 2001-03-27 |
| 5834733 | ARC welding machine | Toshinori Hongu, Koji Hamamoto, Junzo Tanimoto | 1998-11-10 |