Average Co-Inventor Count = 1.06
ph-index = 8
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. (9 from 443 patents)
9 patents:
1. D638061 - Pen
2. D638062 - Pen
3. D628636 - Pen
4. D628639 - Pen
5. D628640 - Pen
6. D601195 - Pen
7. D599403 - Pen
8. D598954 - Pen
9. D597599 - Pen