Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972451 | Pearlitic steel rail excellent in wear resistance and ductility and method for producing same | Masaharu Ueda, Koichiro Matsushita, Kazuo Fujita, Katsuya Iwano, Koichi Uchino +1 more | 2011-07-05 |