Growing community of inventors

Shenzhen, China

Cheng-Chun Zhang

Average Co-Inventor Count = 1.21

ph-index = 6

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 = 143

Cheng-Chun ZhangLio Yenwei Chang (12 patents)Cheng-Chun ZhangCheng-Chun Zhang (35 patents)Lio Yenwei ChangLio Yenwei Chang (24 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gemmy Industries Corporation (35 from 70 patents)


35 patents:

1. 12510817 - Double image projection lamp with fade-in and fade-out visual effects

2. 12352396 - Project light device

3. 12338975 - Side projector light

4. 12092296 - Firework lighting device

5. 12007085 - Light string

6. 11675260 - Modeling projection lamp

7. 11435060 - Polygonal rotary projection lamp

8. 11221134 - Wall lamp with lighting effect resembling peacock feather spreading

9. 11165192 - Plug

10. 10976017 - Decorative lights and related methods

11. 10976014 - Flexible object with decorative light

12. 10948174 - Waterproof lamp decoration

13. 10928715 - Rotary image projector

14. 10731831 - Clip lights and related systems

15. 10478743 - Audio-lighting control system

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1/4/2026
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