Growing community of inventors

City of Industry, CA, United States of America

Changan Tian

Average Co-Inventor Count = 2.67

ph-index = 14

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 = 411

Changan TianCarson Cheng (32 patents)Changan TianRichard Viray Thomas (15 patents)Changan TianJason Michael Cheng (5 patents)Changan TianMichael Cheng (4 patents)Changan TianChangan Tian (32 patents)Carson ChengCarson Cheng (91 patents)Richard Viray ThomasRichard Viray Thomas (47 patents)Jason Michael ChengJason Michael Cheng (37 patents)Michael ChengMichael Cheng (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ncstar, Inc. (32 from 84 patents)


32 patents:

1. D989905 - Tool for a firearm

2. D904546 - Handstop

3. D904547 - Vertical grip

4. D900273 - Reflex sight

5. D897483 - Reflex sight

6. D891896 - Tool for a firearm

7. D880268 - Front and rear sight adjustment tool

8. 10451370 - Magazine opener

9. 10393465 - 3-in-1 mount adapter

10. D856458 - Reflex sight

11. D846689 - Reflex sight

12. D846690 - Reflex sight

13. D846691 - Reflex sight

14. D844734 - Light apparatus for firearm

15. D839377 - Magazine opener

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1/1/2026
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