Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10671089 | Management system and management method of mining machine | Mitsuhiro Ryuman | 2020-06-02 |
| 10599158 | Mining machine management system and management method | Mitsuhiro Ryuman | 2020-03-24 |