Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485195 | High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same | Manabu Takahashi, Naoki Yoshinaga, Ken Kimura | 2009-02-03 |
| 6962631 | Steel plate excellent in shape freezing property and method for production thereof | Naoki Yoshinaga, Manabu Takahashi, Tohru Yoshida | 2005-11-08 |
| 6706419 | Cold-rolled steel sheet or hot-rolled steel sheet excellent in painting bake hardenability and anti aging property at room temperature, and method of producing the same | Naoki Yoshinaga, Manabu Takahashi, Akihiro Miyasaka, Masaaki Sugiyama | 2004-03-16 |
| 6632296 | Steel pipe having high formability and method for producing the same | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Yasuhiro Shinohara, Tohru Yoshida | 2003-10-14 |