Growing community of inventors

Ningbo, China

Youbin Zhang

Average Co-Inventor Count = 1.00

ph-index = 9

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.

Forward Citations = 214

Youbin ZhangYoubin Zhang (26 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Beifa Group Co., Ltd. (26 from 443 patents)


26 patents:

1. D953423 - Pen

2. D923708 - Pen

3. D922487 - Pen

4. D922486 - Pen

5. D912147 - Pen

6. D912148 - Pen

7. D912142 - Pen

8. D912145 - Pen

9. D912146 - Pen

10. D903763 - Pen

11. D867454 - Pen

12. D844705 - Pen

13. D823393 - Pen

14. D823394 - Pen

15. D708670 - Pen

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as of
12/19/2025
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