Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955445 | Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same | Minoru Honjo, Shinichi Suzuki, Kimihiro Nishimura, Shinji Mitao, Nobuo Shikanai | 2011-06-07 |