Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33330 | Output control of short circuit welding power source | Takaaki Ogasawara, Tokuji Maruyama, Masaharu Sato, Takashi Saito | 1990-09-11 |
| 4546234 | Output control of short circuit welding power source | Takaaki Ogasawara, Tokuji Maruyama, Masaharu Sato, Takashi Saito | 1985-10-08 |