Average Co-Inventor Count = 1.07
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. (16 from 443 patents)
16 patents:
1. D690357 - Pen
2. D682935 - Pen
3. D679327 - Pen
4. D679325 - Pen
5. D679324 - Pen
6. D672808 - Pen
7. D672809 - Pen
8. D669129 - Pen cap
9. D667875 - Pen
10. D662977 - Pen
11. D659756 - Marker
12. D654951 - Pen
13. D651241 - Pen
14. D651240 - Pen
15. D651247 - Pen