Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8962153 | Hot-dip Zn—Al alloy coated steel sheet and producing method therefor | Hideo Koumura, Akihiko Furuta, Yoshito Furuya, Susumu Sato, Rie Umebayashi +2 more | 2015-02-24 |
| 5147729 | Steel plate with organic coating having improved corrosion resistance in as-worked state | Kenji Takao, Shigeru Umino, Koji Yamato | 1992-09-15 |
| 5147730 | Steel plate with organic coating having improved corrosion resistance | Shigeru Umino, Kenji Takao, Hajime Kimura, Koji Yamato | 1992-09-15 |