Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4503316 | DC Welding power supply system | Kazuo Murase, Naoki Takeuchi, Tokuji Maruyama | 1985-03-05 |
| 4396281 | Negative film carrier device | Katsuhiko Okabe | 1983-08-02 |
| 4371107 | Welding machine | Naoki Takeuchi, Soichi Tsuruga, Tadatsugu Koishi | 1983-02-01 |
| 4342897 | Recovery type flux feeding assembly | Ryuji Murai, Yoji Ogata, Masashi Nagashima, Mitsurou Soga | 1982-08-03 |
| 4328412 | Motor-driven welding machine | Naoki Takenouchi, Mitsurou Soga, Kouji Kawakami | 1982-05-04 |