Average Co-Inventor Count = 1.04
ph-index = 10
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Beifa Group Co., Ltd. (27 from 443 patents)
27 patents:
1. D725704 - Marker
2. D725705 - Marker
3. D725707 - Pen cap
4. D725706 - Pen cap
5. D701572 - Pen
6. D699289 - Marker
7. D699288 - Marker
8. D699290 - Marker
9. D699294 - Pen cap
10. D697972 - Pen cap
11. D695825 - Marker
12. D693876 - Pen
13. D693875 - Pen cap
14. D689931 - Pen
15. D689936 - Pen