Forward Citations = 31

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4 inventors (with patents filed for the assignee):

Liang Chen (2 out of 3 patents)

Dong Pan (1 out of 46 patents)

Fuwan Gan (1 out of 1 patent)

4. Chingyin Hong (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8257997 - Semiconductor photodetectors (2012-09-04),

2. 8149493 - Electro-optic silicon modulator (2012-04-03),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#174 in Woburn, MA

#4,928 in Massachusetts

#94,841 in US

Woburn, MA, United States of America

Sifotonics Technologies (USA) Inc.

Forward Citations = 31

4 inventors:

Liang Chen (2 out of 3 patents)

Dong Pan (1 out of 46 patents)

Fuwan Gan (1 out of 1 patent)

4. Chingyin Hong (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sifotonics Technologies (USA) Inc.. Retrieved from https://idiyas.com/company/sifotonics-technologies-usa

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]