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Changzhou, China

Changzhou Raytech Optronics Co., Ltd.

USPTO Granted Patents = 46

Forward Citations = 8

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32 inventors (with patents filed for the assignee):

Wen Sun (6 out of 63 patents)

Jia Chen (3 out of 87 patents)

Kazuo Shikama (3 out of 15 patents)

4. Hiroyuki Teraoka (2 out of 126 patents)

5. Dong Hai Yu (2 out of 76 patents)

6. Xuqi Bian (2 out of 18 patents)

7. Ching-Chung Chiu (2 out of 4 patents)

8. Qing Zhao (2 out of 14 patents)

9. Yanan Wang (2 out of 16 patents)

10. Wanxia Li (2 out of 10 patents)

11. Jie Meng (2 out of 4 patents)

12. Feng Drake Zhu (2 out of 22 patents)

13. Hiroyuki Teraoka (2 out of 8 patents)

14. Xiaofeng Wang (1 out of 11 patents)

15. Zhanli Guo (1 out of 10 patents)

46 patents: Sort by Forward Citations

1. 12411315 - Camera optical lens (2025-09-09),

2. 12105256 - Camera optical lens (2024-10-01),

3. 12061320 - Camera optical lens (2024-08-13),

4. 12055683 - Camera optical lens (2024-08-06),

5. 12055682 - Camera optical lens (2024-08-06),

6. 12032133 - Camera optical lens (2024-07-09),

7. 12032127 - Camera optical lens (2024-07-09),

8. 12019214 - Camera optical lens (2024-06-25),

9. 12001081 - Camera optical lens (2024-06-04),

10. 12000985 - Camera optical lens (2024-06-04),

11. 12000984 - Camera optical lens (2024-06-04),

12. 12000983 - Camera optical lens (2024-06-04),

13. 11966019 - Camera optical lens (2024-04-23),

14. 11953656 - Camera optical lens (2024-04-09),

15. 11947084 - Camera optical lens (2024-04-02),

Changzhou Raytech Optronics Co., Ltd. is a leading manufacturer of optical components and assemblies for various industries. With a focus on precision and quality, we provide customized solutions to meet our clients' unique needs. Our products include lenses, prisms, filters, and more, all designed to enhance performance and efficiency. Visit our website to learn more about our capabilities and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

46 Patents

#5 in Changzhou

#622 in China

#14,661 in the World

Changzhou, China

Changzhou Raytech Optronics Co., Ltd.

Forward Citations = 8

32 inventors:

Wen Sun (6 out of 63 patents)

Jia Chen (3 out of 87 patents)

Kazuo Shikama (3 out of 15 patents)

4. Hiroyuki Teraoka (2 out of 126 patents)

5. Dong Hai Yu (2 out of 76 patents)

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