Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668789 | Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability | Junichiro Hirasawa, Naoto Yoshimi, Hiroki Nakamaru, Kohei Hasegawa, Keita Yonetsu +2 more | 2014-03-11 |
| 6767417 | Steel sheet and method for manufacturing the same | Takeshi Fujita, Kenichi Mitsuzuka, Nobuyuki Nakamura, Toshiaki Urabe, Katsutoshi Ito | 2004-07-27 |
| 6695933 | Ultra-high strength cold rolled steel sheet and method for manufacturing the same | Kohei Hasegawa, Toshiaki Urabe, Akihide Yoshitake | 2004-02-24 |