Issued Patents All Time
Showing 1–2 of 2 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, Hideo Ogishi, Susumu Sato +2 more | 2015-02-24 |
| 8304092 | Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet | Kazuhisa Okai, Etsuo Hamada, Akira Matsuzaki, Satoru Ando | 2012-11-06 |