Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878960 | Process for preparing alloyed-zinc-plated titanium-killed steel sheet having excellent deep-drawability | Nobuhiko Sakai, Yukio Uchida, Yusuke Hirose | 1989-11-07 |
| 4847169 | Alloyed-zinc-plated steel sheet and process for preparing the same | Nobuhiko Sakai, Yukio Uchida, Yusuke Hirose | 1989-07-11 |