Average Co-Inventor Count = 1.10
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. (11 from 443 patents)
11 patents:
1. D609746 - Marker
2. D609747 - Pen
3. D605696 - Highlighter
4. D605700 - Pen
5. D602083 - Pen
6. D602088 - Pen
7. D597598 - Highlighter
8. D595351 - Highlighter
9. D580489 - Dual-tip highlighter
10. D572760 - Marker
11. D572759 - Pen