Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264373 | Rail and method of manufacturing rail | Masaharu Ueda, Jun Takahashi, Takuya Tanahashi | 2025-04-01 |
| 12247358 | Rail | Masaharu Ueda, Takuya Tanahashi, Yusuke MAEDA | 2025-03-11 |
| 10995396 | Rail | Masaharu Ueda | 2021-05-04 |
| 10563357 | Rail and production method therefor | Masaharu Ueda, Takuya Tanahashi | 2020-02-18 |
| 10494704 | Rail | Masaharu Ueda, Takuya Tanahashi | 2019-12-03 |
| 10233512 | Rail and production method therefor | Masaharu Ueda, Takuya Tanahashi | 2019-03-19 |
| 10047411 | Rail | Masaharu Ueda, Takeshi Yamamoto | 2018-08-14 |
| 9534278 | Rail | Masaharu Ueda | 2017-01-03 |
| 9127409 | Rail | Masaharu Ueda, Takeshi Yamamoto, Takashi Morohoshi | 2015-09-08 |
| 8747576 | Pearlite-based high carbon steel rail having excellent ductility and process for production thereof | Masaharu Ueda, Suguru Yoshida | 2014-06-10 |
| 8361246 | Pearlite rail | Masaharu Ueda, Kyohei Sonoyama, Takuya Tanahashi, Katsuya Iwano | 2013-01-29 |