Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42668 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Koji Babazono, Ken Kutaragi | 2011-09-06 |
| RE42360 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Koji Babazono, Ken Kutaragi | 2011-05-17 |