Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555785 | Welding condition inputting equipment | Atsuhiro Kawamoto, Akihiko Kitajima, Norikazu Osaki, Kunio Kubo, Shigeki Yonemori +1 more | 2003-04-29 |
| D445812 | Welding machine | Masaki Shimizu, Akihiko Kitajima, Norikazu Osaki, Yoshiyuki Tabata, Tsutomu Naito | 2001-07-31 |
| 6225597 | Method of controlling pulse output and consumable electrode type pulse arc welding device | Atsuhiro Kawamoto, Yoshiaki Tanaka, Akira Nakagawa | 2001-05-01 |
| 6207928 | Consumable electrode type pulse arc welding method | Atsuhiro Kawamoto, Akira Nakagawa, Yoshiaki Tanaka, Hidetoshi Oyama, Akiko Ueda +2 more | 2001-03-27 |
| 5834733 | ARC welding machine | Hidetoshi Oyama, Toshinori Hongu, Junzo Tanimoto | 1998-11-10 |
| 5270516 | Arc welding machine | Naoki Kawai, Junzo Tanimoto, Tetsu Innami, Yoshinori Nishida | 1993-12-14 |
| 5168144 | Arc welding power apparatus having plural selectable electrode feed quantity settings | Toshinori Hongu, Naoki Kawai, Torafumi Takemoto | 1992-12-01 |
| 5017757 | Pulsed arc welding machine | Naoki Kawai, Masahiro Minooka | 1991-05-21 |