Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834845 | Preparation of Zn-Ni alloy plated steel strip | Ryoichi Muko, Hajime Kimura, Toshio Ichida, Shigeru Kobayashi | 1989-05-30 |
| 4832800 | Process for preparing surface-treated steel strips adapted for electric resistance welding | Hajime Ogata, Hisatada Nakakouji, Kyoko Hamahara, Toshio Ichida | 1989-05-23 |