Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264705 | Recirculating roller bearing | Hongjun Guo, Lei Yuan, Jianluo Mei, Ci-moo Song, Yuanzhen Wu | 2025-04-01 |
| 12104647 | Angular contact self-aligning roller bearing | Hongjun Guo | 2024-10-01 |
| 11497976 | Golf bag supporting mechanism | — | 2022-11-15 |
| 9789373 | Head frame of golf bag | — | 2017-10-17 |
| 9662553 | Base for golf bag | — | 2017-05-30 |
| 9216335 | Detachable golf bag | — | 2015-12-22 |