Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610937 | Product of and process for preparing Zn-Ni-alloy-electroplated steel sheets excellent in corrosion resistance | Takehiko Ito, Yoshitaka Nakagawa, Koichi Watanabe | 1986-09-09 |
| 4581107 | Process for preparing improved Zn-Ni-alloy electroplated steel sheets | Yoshitaka Nakagawa, Masayoshi Tatano, Koichi Watanabe, Eiji Watanabe | 1986-04-08 |
| 4508600 | Process for preparing Zn-Ni-alloy-electroplated steel sheets with excellent adherence of the plated layer | Yoshitaka Nakagawa, Masayoshi Tatano, Koichi Watanabe, Eiji Watanabe | 1985-04-02 |