Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433229 | Electrode roll for resistance welding | Yonekichi Morikawa, Toshio Shimizu, Eiichi Yoshida, Keizo Hirayama | 1984-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433229 | Electrode roll for resistance welding | Yonekichi Morikawa, Toshio Shimizu, Eiichi Yoshida, Keizo Hirayama | 1984-02-21 |