Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030814 | Indirect spot welding method | Toshiyuki Tange, Hideyuki Etoh, Tsuneo Kinoshita, Susumu Kitamura | 1991-07-09 |
| 4963712 | Spot welder | Hideyuki Etoh, Toshiyuki Tange, Yoshio Shiotani | 1990-10-16 |