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USPTO Data Jan 1 1976 - Oct 27 2026
497 Patents
#4 in Taichung
#63 in Taiwan
#1,952 in the World
Asia Optical Co., Ltd.
Forward Citations = 3,308
399 inventors:
Asia Optical Co., Ltd.
Calculating rank
% Expired Patents = 42.3
EPO Patents = 3
Trademarks = 2
Forward Citations = 3,308
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399 inventors (with patents filed for the assignee):
Hsi-Ling Chang (32 out of 37 patents)
Hua-Tang Liu (32 out of 36 patents)
Chien-Hung Chen (18 out of 31 patents)
4. Guo-Quan Lin (11 out of 12 patents)
5. Bo-Yan Chen (10 out of 12 patents)
6. Ming-Huang Tseng (10 out of 10 patents)
7. Yue-Ye Chen (10 out of 11 patents)
8. Po-Yuan Shih (9 out of 19 patents)
9. Shang-Yung Liang (9 out of 10 patents)
10. Wen-Hung Hsieh (9 out of 10 patents)
11. Hsien-Chi Lin (9 out of 10 patents)
12. Chun-Yu Hsueh (9 out of 11 patents)
13. Yu-Ting Lee (9 out of 9 patents)
14. Sheng-Jui Chao (9 out of 10 patents)
15. Pie-Yau Chien (9 out of 9 patents)
Core Competencies:
Lens Assembly
Wide-Angle Lens
Image Capture
Optical Device
Zoom Lens
Range Finder
Aperture Assembly
Camera Device
Sighting System
Optical Module
Guiding Unit
Compensating Mechanism
497 patents:
Company Overview
Asia Optical Co., Ltd. is a prominent manufacturer based in Taichung, Taiwan, specializing in optical devices. The company focuses on the development and production of advanced lens assemblies, including wide-angle and zoom lenses, which are integral to various imaging applications. Their expertise extends to optical components used in camera devices and range finders, emphasizing precision and innovation in image capture technology. Asia Optical is committed to enhancing optical performance and meeting the evolving needs of the imaging industry.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asia Optical Co., Ltd.. Retrieved from https://idiyas.com/company/asia-optical-company
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
3 patents (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]