Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144983 | Method of reheating rail weld zone | Kenichi Karimine, Katsuya Iwano, Hideo Tottori, Takeshi Yamamoto | 2018-12-04 |
| 10047411 | Rail | Takeshi Yamamoto, Teruhisa Miyazaki | 2018-08-14 |