Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800147 | High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof | Mamoru Nagao, Hiroshi Yaguchi, Kenji Ochiai, Nobuhiko Ibaraki, Noriaki Hiraga | 2004-10-05 |
| 6783609 | High-carbon steel wire rod with superior drawability and method for production thereof | Hideo Hata, Mamoru Nagao | 2004-08-31 |