Growing community of inventors

Hangzhou, China

Qianjun Yan

Average Co-Inventor Count = 3.20

ph-index = 3

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 = 33

Qianjun YanZhaozhang Zheng (12 patents)Qianjun YanLingli Ma (10 patents)Qianjun YanYaoxing Wang (2 patents)Qianjun YanJun Li (1 patent)Qianjun YanHai Wang (1 patent)Qianjun YanQili Xu (1 patent)Qianjun YanQianjun Yan (12 patents)Zhaozhang ZhengZhaozhang Zheng (12 patents)Lingli MaLingli Ma (10 patents)Yaoxing WangYaoxing Wang (2 patents)Jun LiJun Li (15 patents)Hai WangHai Wang (7 patents)Qili XuQili Xu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hangzhou Hangke Optoelectronics Co., Ltd. (10 from 10 patents)

2. Hangzhou Hangke Optoelectronics Group Co., Ltd. (2 from 2 patents)


12 patents:

1. 12326247 - Light tubes, light fixtures, and light bodies

2. D1036712 - Light

3. 11898727 - Line lamp

4. 11662065 - Manufacturing method of LED filament and manufacturing method of bulb

5. 11619357 - LED filament and bulb

6. 11614221 - Lamp

7. 11393966 - Omnidirectional LED light wire and packaging method thereof, light source and lamp

8. D943786 - Light bulb

9. D943788 - Light bulb

10. D943787 - Light bulb

11. 11215326 - Filament lamp lighting module and manufacturing method thereof

12. 11187387 - Color-controllable LED luminescent lamp

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as of
12/12/2025
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