Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10752998 | Aging resistance coating film for hub and method for forming protective film | Zaide Wang, Huanming Ma, Junfu Li, Shengchao Zhang, Guangcai Chen | 2020-08-25 |
| 10745794 | Anti-aging periodic variable reaction black chromium coating film and forming method thereof | Zaide Wang, Huanming Ma, Junfu Li, Shengchao Zhang, Qingwang Wei | 2020-08-18 |