% Expired Patents = 100.0

Trademarks = 1

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

Chun-Hsien Chen (1 out of 3 patents)

Wen-Chin Cheng (1 out of 2 patents)

Tzu-Ming Wei (1 out of 1 patent)

4. Wei-Po Hsu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8492999 - System and method for controlling electrical power of LED and LED projector having the same (2013-07-23),

2. 8282220 - Structure for projector with color sensor (2012-10-09),

3. 7342220 - Lens assembly having focal length adjustable by a spacer for obtaining an image of an object (2008-03-11),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#3 in Jhubei, Hsinchu County

#3,314 in Taiwan

Jhubei, Hsinchu County, Taiwan

Lumens Digital Optics Inc.

Forward Citations = 7

4 inventors:

Chun-Hsien Chen (1 out of 3 patents)

Wen-Chin Cheng (1 out of 2 patents)

Tzu-Ming Wei (1 out of 1 patent)

4. Wei-Po Hsu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lumens Digital Optics Inc.. Retrieved from https://idiyas.com/company/lumens-digital-optics

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]