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Taichung, Taiwan

Largan Precision Co., Ltd.

USPTO Granted Patents = 1,380

EPO Patents = 42

Trademarks = 3

Forward Citations = 10,440

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128 inventors (with patents filed for the assignee):

Hsin-Hsuan Huang (422 out of 423 patents)

Ming-Ta Chou (308 out of 378 patents)

Wei-Yu Chen (288 out of 290 patents)

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

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

6. Hsiang-Chi Tang (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 (67 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. Lin-Yao Liao (54 out of 54 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

1,380 patents: Sort by Forward Citations

1. 12493172 - Camera module and electronic device (2025-12-09),

2. 12493168 - Image capturing system lens assembly, imaging apparatus and electronic device (2025-12-09),

3. 12493166 - Imaging optical lens system, image capturing unit and electronic device (2025-12-09),

4. 12493141 - Camera module, imaging module and electronic device (2025-12-09),

5. 12481133 - Photographing lens assembly, image capturing unit and electronic device (2025-11-25),

6. 12481132 - Imaging lens system, image capturing unit and electronic device (2025-11-25),

7. 12481131 - Imaging lens system, image capturing unit and electronic device (2025-11-25),

8. 12481129 - Imaging optical lens assembly, image capturing unit and electronic device (2025-11-25),

9. 12481128 - Optical imaging system, image capturing unit and electronic device (2025-11-25),

10. 12481086 - Optical lens assembly and optical module (2025-11-25),

11. 12474541 - Imaging lens assembly module, imaging lens assembly driving module, camera module and electronic device (2025-11-18),

12. 12470822 - Shiftable circuit element, shiftable image sensor module, camera module and electronic device (2025-11-11),

13. 12468127 - Optical imaging lens assembly, image capturing unit and electronic device (2025-11-11),

14. 12468124 - Imaging system lens assembly, image capturing unit and electronic device including eight lenses of −++++−−+, −+++++−+ or −−+++−−+ refractive powers (2025-11-11),

15. 12468121 - Imaging lens assembly, image capturing unit and electronic device (2025-11-11),

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.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,380 Patents

#2 in Taichung

#24 in Taiwan

#696 in the World

Taichung, Taiwan

Largan Precision Co., Ltd.

Forward Citations = 10,440

128 inventors:

Hsin-Hsuan Huang (422 out of 423 patents)

Ming-Ta Chou (308 out of 378 patents)

Wei-Yu Chen (288 out of 290 patents)

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

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

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