Average Co-Inventor Count = 1.04
ph-index = 13
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. (14 from 443 patents)
14 patents:
1. D632333 - Pen
2. D628633 - Pen
3. D628641 - Pen
4. D628645 - Pen
5. D616498 - Pen
6. D611539 - Pen
7. D607933 - Pen
8. D607932 - Pen
9. D606587 - Pen
10. D605694 - Dual-tip pen
11. D605698 - Pen
12. D605701 - Pen
13. D601197 - Pen
14. D598954 - Pen