Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455355 | Tin-free steel can body | Hitoshi Kuroda, Kenji Hizuka, Fumio Kunishige, Yoshikazu Kondo | 1984-06-19 |
| 4432842 | Process for producing tin-free steel | Hitoshi Kuroda, Kenji Hizuka, Fumio Kunishige, Yoshikazu Kondo | 1984-02-21 |
| 4414078 | Method for pretreatment in the production of tin-free steel | Nobuyoshi Shimizu, Kinji Saijo, Kenji Hizuka, Yoshikazu Kondo | 1983-11-08 |
| 4388158 | Acidic tinplating process and process for producing an iron-tin alloy on the surface of a steel sheet | Hitoshi Kuroda, Tetsuro Hanabusa, Katsuhito Yazaki | 1983-06-14 |