Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144983 | Method of reheating rail weld zone | Kenichi Karimine, Masaharu Ueda, Hideo Tottori, Takeshi Yamamoto | 2018-12-04 |
| 8557064 | Method of cooling rail weld zone, and rail weld joint | Kenichi Karimine, Masaharu Ueda, Seiji Sugiyama | 2013-10-15 |
| 8361246 | Pearlite rail | Masaharu Ueda, Kyohei Sonoyama, Takuya Tanahashi, Teruhisa Miyazaki | 2013-01-29 |
| 7972451 | Pearlitic steel rail excellent in wear resistance and ductility and method for producing same | Masaharu Ueda, Koichiro Matsushita, Kazuo Fujita, Koichi Uchino, Takashi Morohoshi +1 more | 2011-07-05 |
| 6254696 | Bainitic type rail excellent in surface fatigue damage resistance and wear resistance | Masaharu Ueda, Kouichi Uchino, Akira Kobayashi | 2001-07-03 |