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For the Inventor, By the Inventor

Taichung, Taiwan

Largan Precision Co., Ltd.


USPTO Granted Patents = 1,384


Trademarks = 3

Forward Citations = 10,472

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126 inventors (with patents filed for the assignee):

goldMedal Hsin-Hsuan Huang (424 out of 425 patents)

silverMedal Ming-Ta Chou (308 out of 378 patents)

bronzeMedal Wei-Yu Chen (289 out of 291 patents)

4.  Tsung-Han Tsai (225 out of 226 patents)

5.  Hsiang-Chi Tang (111 out of 111 patents)

6.  Chun-Che Hsueh (110 out of 110 patents)

7.  Tzu-Chieh Kuo (98 out of 98 patents)

8.  Po-Lun Hsu (72 out of 72 patents)

9.  Cheng-Feng Lin (70 out of 72 patents)

10.  Chun-Yen Chen (68 out of 68 patents)

11.  Cheng-Chen Lin (67 out of 67 patents)

12.  Chun-Shan Chen (62 out of 63 patents)

13.  Kuan-Ming Chen (58 out of 64 patents)

14.  Shu-Yun Yang (56 out of 56 patents)

15.  Yu-Tai Tseng (55 out of 55 patents)


Core Competencies:
Optical Lens Assembly
Imaging Lens System
Image Capturing Unit
Camera Module
Optical Imaging System
Photographing Lens Assembly
Shiftable Image Sensor Module
Imaging Optical Lens Assembly
Electronic Device
Imaging Lens Assembly Module
Optical Module
Light Blocking Sheet

1,384 patents:

1. 12510739 - Folded optical system, image capturing unit and electronic device (2025-12-30),
2. 12510738 - Optical photographing lens assembly, image capturing unit and electronic device (2025-12-30),
3. 12510737 - Optical lens assembly, image capturing apparatus and electronic device (2025-12-30),
4. 12504605 - Lens system, projection apparatus, detecting module and electronic device (2025-12-23),
5. 12493172 - Camera module and electronic device (2025-12-09),
6. 12493168 - Image capturing system lens assembly, imaging apparatus and electronic device (2025-12-09),
7. 12493166 - Imaging optical lens system, image capturing unit and electronic device (2025-12-09),
8. 12493141 - Camera module, imaging module and electronic device (2025-12-09),
9. 12481133 - Photographing lens assembly, image capturing unit and electronic device (2025-11-25),
10. 12481132 - Imaging lens system, image capturing unit and electronic device (2025-11-25),
11. 12481131 - Imaging lens system, image capturing unit and electronic device (2025-11-25),
12. 12481129 - Imaging optical lens assembly, image capturing unit and electronic device (2025-11-25),
13. 12481128 - Optical imaging system, image capturing unit and electronic device (2025-11-25),
14. 12481086 - Optical lens assembly and optical module (2025-11-25),
15. 12474541 - Imaging lens assembly module, imaging lens assembly driving module, camera module and electronic device (2025-11-18),
LARGAN PRECISION CO., LTD. is a leading manufacturer of high-quality optical lens components. Founded in 1987, the company is based in Taichung, Taiwan. LARGAN specializes in the design, development, and production of optical lenses for various industries, including mobile devices, digital cameras, and automobile sensors. With a strong emphasis on innovation and advanced manufacturing technologies, LARGAN has become a preferred supplier for many renowned brands in the consumer electronics industry. The company's commitment to exceptional quality control and precision engineering has earned them numerous industry accolades and a solid reputation among their customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

1,384 Patents

#2 in Taichung

#24 in Taiwan

#696 in the World

...
Taichung, Taiwan

Largan Precision Co., Ltd.

Forward Citations = 10,472

126 inventors:

goldMedal Hsin-Hsuan Huang (424 out of 425 patents)

silverMedal Ming-Ta Chou (308 out of 378 patents)

bronzeMedal Wei-Yu Chen (289 out of 291 patents)

4.  Tsung-Han Tsai (225 out of 226 patents)

5.  Hsiang-Chi Tang (111 out of 111 patents)

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