% Expired Patents = 62.5

Forward Citations = 81

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5 inventors (with patents filed for the assignee):

Yung-Chieh Hsieh (24 out of 41 patents)

Chiayu Ai (6 out of 10 patents)

Chiayu Al (1 out of 1 patent)

4. Dar-Yuan Song (1 out of 2 patents)

5. Chang-Tsung Lin (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 8953161 - Optical spectrum analyzer with continuously rotating tunable filter (2015-02-10),

2. 8929700 - Single-package dual optical-function device (2015-01-06),

3. 8885159 - Optical spectrum analyzer actuated by voice coil (2014-11-11),

4. 8705176 - Modified Michelson delay-line interferometer (2014-04-22),

5. 8270067 - Sagnac delay-line interferometer for DPSK demodulation (2012-09-18),

6. 8264764 - Multiple-FSR DPSK demodulator (2012-09-11),

7. 8174756 - Rhomb beam splitter in optical communication (2012-05-08),

8. 8111450 - Rhomb beam splitter in optical communication (2012-02-07),

9. 8014073 - Thin film coated optical hybrid (2011-09-06),

10. 8004750 - Multiple-FSR DPSK demodulator (2011-08-23),

11. 8004749 - Pseudo common-path DPSK demodulator (2011-08-23),

12. 7982960 - Co-package DQPSK demodulator by Michelson interferometer (2011-07-19),

13. 7961316 - Optical spectrum analyzer with continuously rotating tunable filter (2011-06-14),

14. 7924505 - Free-space hitlessly switchable optical interleaver (2011-04-12),

15. 7864433 - Free-space optical hybrid (2011-01-04),

Company Overview

Optoplex Corporation, based in Fremont, CA, specializes in advanced optical technologies and solutions. The company focuses on the development and manufacturing of high-performance optical components and systems, catering to various industries including telecommunications, medical devices, and industrial applications. With a commitment to innovation, Optoplex leverages cutting-edge research in photonics and optical engineering to deliver products that enhance performance and reliability in complex environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#89 in Fremont, CA

#3,287 in California

#13,884 in US

#26,660 in the World

Fremont, CA, United States of America

Optoplex Corporation

Forward Citations = 81

5 inventors:

Yung-Chieh Hsieh (24 out of 41 patents)

Chiayu Ai (6 out of 10 patents)

Chiayu Al (1 out of 1 patent)

4. Dar-Yuan Song (1 out of 2 patents)

5. Chang-Tsung Lin (1 out of 1 patent)

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

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]