Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9491991 | Watch fastener and watch band using the watch fastener | Yu Rong, Qiao-Zhen Bai, Bo Yang, Er-Li Jia, Yan-Lei Cao | 2016-11-15 |
JD
Jian Ding
Hongfujin Precision Electronics (Zhengzhou) Co.: 1 patents #60 of 159Top 40%
Overall (All Time): #3,026,400 of 4,157,543Top 75%
1
Patents All Time