Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42668 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Kouichi Uchino, Ken Kutaragi | 2011-09-06 |
| RE42360 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Kouichi Uchino, Ken Kutaragi | 2011-05-17 |
| RE41033 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Kouichi Uchino, Ken Kutaragi | 2009-12-08 |
| RE40263 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Kouichi Uchino, Ken Kutaragi | 2008-04-29 |
| 5762723 | Pearlitic steel rail having excellent wear resistance and method of producing the same | Masaharu Ueda, Hideaki Kageyama, Kouichi Uchino, Ken Kutaragi | 1998-06-09 |