Average Co-Inventor Count = 1.00
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. (18 from 443 patents)
18 patents:
1. D678942 - Pen
2. D673216 - Pen
3. D656193 - Pen
4. D656194 - Pen
5. D651244 - Pen
6. D651242 - Pen
7. D651243 - Pen
8. D651245 - Pen
9. D651248 - Pen holder
10. D648794 - White board eraser
11. D648394 - Two-hole punch
12. D647568 - Card holder
13. D647567 - Clip holder
14. D647569 - Note holder
15. D647377 - Stapler