Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051807 | Pulse arc welding apparatus | Masaru Tabata, Masahiro Homma, Eiji Sato | 2000-04-18 |
| 5990445 | Consumable electrode type AC pulse arc welding apparatus | Masaru Tabata, Masahiro Homma, Eiji Sato | 1999-11-23 |
| RE33330 | Output control of short circuit welding power source | Tokuji Maruyama, Masaharu Sato, Yukio Hida, Takashi Saito | 1990-09-11 |
| 4546234 | Output control of short circuit welding power source | Tokuji Maruyama, Masaharu Sato, Yukio Hida, Takashi Saito | 1985-10-08 |
| 4544826 | Method and device for controlling welding power supply to avoid spattering of the weld material | Sadao Nakanishi, Yoshihiro Nakajima, Hitoshi Kawano, Akihiko Ihochi, Tokuji Maruyama | 1985-10-01 |
| 4404457 | Welding core wire supply device | Masaharu Rokujio, Mitunori Usui | 1983-09-13 |
| 4260870 | Automatic welding apparatus for upward welding of curved joint | Teruyoshi Sekino | 1981-04-07 |