Growing community of inventors

Shenzhen, China

Chang-Jun He

Average Co-Inventor Count = 4.00

ph-index = 5

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 = 184

Chang-Jun HeChi Yin Alan Leung (13 patents)Chang-Jun HeRicky Tong (13 patents)Chang-Jun HeChi Kin Samuel Kwok (13 patents)Chang-Jun HeChang-Jun He (13 patents)Chi Yin Alan LeungChi Yin Alan Leung (51 patents)Ricky TongRicky Tong (27 patents)Chi Kin Samuel KwokChi Kin Samuel Kwok (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Polygroup Macau Limited (bvi) (13 from 106 patents)


13 patents:

1. 12362523 - Powered tree construction with rotation limiting

2. 11967790 - Powered tree construction with rotation limiting

3. 11799251 - Powered tree construction with rotation limiting

4. 11095078 - Powered tree construction with rotation limiting

5. 10985513 - Powered tree construction with rotation limiting

6. 10777949 - Powered tree construction

7. 10522954 - Powered tree construction

8. 10404019 - Powered tree construction

9. 9912109 - Powered tree construction

10. 9843147 - Powered tree construction

11. 9119495 - Powered tree construction

12. 8959810 - Powered tree construction

13. 8863416 - Powered tree construction

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as of
12/4/2025
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