Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544479 | Heat treatment device, heat treatment method, and rail steel | Masaharu Ueda, Kenji Saita | 2020-01-28 |
| 10526674 | Stress-relief heat treatment apparatus | Masaharu Ueda | 2020-01-07 |