Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555785 | Welding condition inputting equipment | Atsuhiro Kawamoto, Norikazu Osaki, Kunio Kubo, Koji Hamamoto, Shigeki Yonemori +1 more | 2003-04-29 |
| D445812 | Welding machine | Masaki Shimizu, Norikazu Osaki, Koji Hamamoto, Yoshiyuki Tabata, Tsutomu Naito | 2001-07-31 |
| 5283419 | Arc welding machine and method | Seigo Hagiwara, Hidetoshi Ooyama | 1994-02-01 |
| 5243275 | Input protecting mechanism for measuring device | Tosio Nakazawa | 1993-09-07 |