Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342897 | Recovery type flux feeding assembly | Ryuji Murai, Toshihiko Watanabe, Yoji Ogata, Masashi Nagashima | 1982-08-03 |
| 4328412 | Motor-driven welding machine | Toshihiko Watanabe, Naoki Takenouchi, Kouji Kawakami | 1982-05-04 |