Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437947 | Cold rolled steel strip having an excellent phosphatizing property and process for producing the same | Takao Saito, Kikuji Hirose, Akitosi Kato | 1984-03-20 |
| 4429021 | Chromium-plated steel strip having excellent weldability and resistance to corrosion | Mitsuo Higashi, Kenzi Koyama, Mitsuo Yoshida | 1984-01-31 |