Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502108 | Exhaust gas purification system for construction machine | — | 2019-12-10 |
| 10227687 | Hard lubricating coating film and hard lubricating coating film-covered tool | Mei WANG, Yuji Sutou, Junichi Koike | 2019-03-12 |