For the Inventor, By the Inventor

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Zhongshan, China

Guangdong Sirui Optical Co., Ltd.

USPTO Granted Patents = 34

EPO Patents = 5

Trademarks = 3

Forward Citations = 178

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18 inventors (with patents filed for the assignee):

Jie Li (33 out of 80 patents)

Hang Chen (7 out of 7 patents)

Wei Wu (4 out of 6 patents)

4. Xiaoyun Hu (4 out of 5 patents)

5. Jieyong Chen (4 out of 4 patents)

6. Wulin Li (3 out of 3 patents)

7. Zhangxuan Yang (3 out of 3 patents)

8. Xiangyu Huang (2 out of 2 patents)

9. Fan Xiao (2 out of 4 patents)

10. Weibo Luo (2 out of 2 patents)

11. Qijun Nie (2 out of 2 patents)

12. Weiliang Zhong (2 out of 2 patents)

13. Peng Chu (1 out of 1 patent)

14. Changyong Xu (1 out of 1 patent)

15. Qi Cai (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 12442486 - Extendable support leg (2025-10-14),

2. 12379064 - Quick release device (2025-08-05),

3. 12228711 - Lens and its lens button adjustment structure (2025-02-18),

4. 12196929 - Add-on anamorphic lens (2025-01-14),

5. D1040885 - Lens (2024-09-03),

6. 12072608 - Inflatable lamp (2024-08-27),

7. D1016888 - External lens for mobile terminal (2024-03-05),

8. 11746991 - Bendable photographic fill light (2023-09-05),

9. 11675255 - Holding mechanism for stabilizer and handheld stabilizer (2023-06-13),

10. 11674674 - Telescopic lamp (2023-06-13),

11. D974453 - Tripod (2023-01-03),

12. 11442344 - Handheld head mount and clamp structure (2022-09-13),

13. 11408553 - Tripod stand head mount (2022-08-09),

14. D954787 - Tripod (2022-06-14),

15. D944883 - Tripod (2022-03-01),

Founded in Guangdong, China, GUANGDONG SIRUI OPTICAL CO., LTD. is a leading manufacturer and supplier of optical products. With a commitment to innovation and quality, the company specializes in producing a wide range of optics including camera lenses, filters, and tripods. Established in [year], SIRUI OPTICAL CO., LTD. has gained a strong reputation in the industry for its advanced technology, precision craftsmanship, and superior customer service. With a global sales network, the company caters to the needs of professional photographers, videographers, and imaging enthusiasts worldwide.

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Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

34 Patents

#5 in Zhongshan

#827 in China

#19,012 in the World

Zhongshan, China

Guangdong Sirui Optical Co., Ltd.

Forward Citations = 178

18 inventors:

Jie Li (33 out of 80 patents)

Hang Chen (7 out of 7 patents)

Wei Wu (4 out of 6 patents)

4. Xiaoyun Hu (4 out of 5 patents)

5. Jieyong Chen (4 out of 4 patents)

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