% Expired Patents = 42.9

Forward Citations = 30

Loading Chart...

9 inventors (with patents filed for the assignee):

Yi Qin (4 out of 6 patents)

Hongchuan Wang (3 out of 4 patents)

Mei Yan (2 out of 15 patents)

4. Zhouzheng Shi (2 out of 3 patents)

5. Kurt R Francis (2 out of 10 patents)

6. Jianying Cao (1 out of 9 patents)

7. Zhenpeng Su (1 out of 1 patent)

8. Charles Xw Qian (1 out of 1 patent)

9. Charles Qian (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6741813 - Interference-based DWDM optical interleaver using beam splitting and selective phase shifting and re-combining (2004-05-25),

2. 6692160 - Re-alignable packaging for multi-port fiber optical devices (2004-02-17),

3. 6603906 - Multi-port optical power monitoring package and method of manufacturing (2003-08-05),

4. 6574049 - Optical interleaver and de-interleaver (2003-06-03),

5. 6560396 - Variable optical attenuator (2003-05-06),

6. 6525881 - Optical filters derived from spherical lenses and method of fabrication thereof (2003-02-25),

7. 6471417 - High power optical adapter (2002-10-29),

Company Overview

Nexfon Corporation is a global technology company specializing in telecommunications solutions. We provide innovative products and services to help businesses connect and communicate more effectively. Our team of experts are dedicated to delivering high-quality solutions that meet the unique needs of our customers. Visit our website to learn more about our range of services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#232 in Fremont, CA

#9,508 in California

#39,929 in US

Fremont, CA, United States of America

Nexfon Corporation

Forward Citations = 30

9 inventors:

Yi Qin (4 out of 6 patents)

Hongchuan Wang (3 out of 4 patents)

Mei Yan (2 out of 15 patents)

4. Zhouzheng Shi (2 out of 3 patents)

5. Kurt R Francis (2 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nexfon Corporation. Retrieved from https://idiyas.com/company/nexfon

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]