Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10671089 | Management system and management method of mining machine | Masanori Tojima | 2020-06-02 |
| 10599158 | Mining machine management system and management method | Masanori Tojima | 2020-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10671089 | Management system and management method of mining machine | Masanori Tojima | 2020-06-02 |
| 10599158 | Mining machine management system and management method | Masanori Tojima | 2020-03-24 |