Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9760080 | Mining machine management system and mining machine management method | Motohide Sugihara | 2017-09-12 |
| 9568322 | Mining machine management system and mining machine management method | Motohide Sugihara | 2017-02-14 |
| 9556732 | Management system and management method of mining machine | Motohide Sugihara | 2017-01-31 |