Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071018 | High carbon hot-rolled steel sheet | Nobusuke Kariya, Hidekazu Ookubo, Yoshiharu Kusumoto, Takeshi Fujita | 2011-12-06 |
| 8052812 | Method of manufacturing high carbon cold-rolled steel sheet | Nobusuke Kariya, Hidekazu Ookubo, Yoshiharu Kusumoto, Takeshi Fujita | 2011-11-08 |
| 5884643 | Cleaning method and cleaning apparatus for surface of sheet steel | Masuto Shimizu, Akio Adachi, Hiroyuki Ogawa, Hiroshi Kuwako, Masaji Shiraishi +2 more | 1999-03-23 |