Issued Patents All Time
Showing 126–127 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433229 | Electrode roll for resistance welding | Yonekichi Morikawa, Toshio Shimizu, Tsuyoshi Konagaya, Keizo Hirayama | 1984-02-21 |
| 4431769 | Binder composition for paper-coating materials | Susumu Tago, Kunio Imamura | 1984-02-14 |