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Woburn, MA, United States of America

Sifotonics Technologies Co., Ltd.

USPTO Granted Patents = 39

Forward Citations = 74

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29 inventors (with patents filed for the assignee):

Dong Pan (39 out of 46 patents)

Pengfei Cai (21 out of 26 patents)

Tuo Shi (19 out of 26 patents)

4. Mengyuan Huang (18 out of 18 patents)

5. Ching-yin Hong (17 out of 17 patents)

6. Tzung-I Su (14 out of 14 patents)

7. Wang Chen (13 out of 14 patents)

8. Su Li (11 out of 15 patents)

9. Liangbo Wang (10 out of 12 patents)

10. Yongbo Shao (8 out of 8 patents)

11. Shipeng Yan (5 out of 5 patents)

12. Nai Zhang (5 out of 6 patents)

13. Changhua Chen (5 out of 5 patents)

14. Ning Zhang (4 out of 44 patents)

15. Yadong Liu (4 out of 5 patents)

Core Competencies:

Monolithic Integrated Coherent Transceiver

Electro-Optical Modulator

Avalanche Photodiode

Silicon Photonic Integrated Circuit

Optical Coupling

Waveguide

Polarization Rotator

High-Speed Devices

GeSi Photodiode

Transmission Line

Rib-Type Waveguide

Integrated Lens-Array

39 patents: Sort by Forward Citations

1. 11588555 - Monolithic integrated coherent transceiver (2023-02-21),

2. 11480817 - Coplanar waveguide transmission line and silicon-based electro-optic modulator comprising the same (2022-10-25),

3. 11322638 - Waveguide-integrated avalanche photodiode (2022-05-03),

4. 11115125 - Monolithic integrated coherent transceiver (2021-09-07),

5. 11016361 - Monolithic electro-optical modulator having RCBC electrode structure (2021-05-25),

6. 10962811 - Monolithic electro-optical modulator with comb-shaped transmission line (2021-03-30),

7. 10852477 - Silicon photonic integrated circuit with electrostatic discharge protection (2020-12-01),

8. 10627655 - Monolithic electro-optical modulator having suspended structure (2020-04-21),

9. 10578800 - Silicon photonic integrated circuit with electrostatic discharge protection mechanism for static electric shocks (2020-03-03),

10. 10473853 - Fully integrated avalanche photodiode receiver (2019-11-12),

11. 10340409 - Compensated photonic device structure and fabrication method thereof (2019-07-02),

12. 10283665 - Compensated photonic device structure and fabrication method thereof (2019-05-07),

13. 10078184 - Integrated lens-array-on-substrate for optical coupling system and fabrication method thereof (2018-09-18),

14. 9977187 - Polarization rotator-splitter/combiner based on silicon rib-type waveguides (2018-05-22),

15. 9946029 - Optical coupler having anchored cantilever structure with multi-stage inverse taper core waveguide and fabrication method thereof (2018-04-17),

Company Overview

Sifotonics Technologies Co., Ltd. is a specialized firm based in Woburn, MA, focusing on advanced optical technologies. The company develops innovative solutions in the fields of photonics and optical communications, catering to various industries including telecommunications and data centers. Their expertise encompasses the design and manufacturing of high-performance optical components and systems, aimed at enhancing data transmission and connectivity. Sifotonics is committed to driving advancements in optical technology to meet the evolving demands of modern communication infrastructures.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

39 Patents

#17 in Woburn, MA

#515 in Massachusetts

#8,830 in US

#17,465 in the World

Woburn, MA, United States of America

Sifotonics Technologies Co., Ltd.

Forward Citations = 74

29 inventors:

Dong Pan (39 out of 46 patents)

Pengfei Cai (21 out of 26 patents)

Tuo Shi (19 out of 26 patents)

4. Mengyuan Huang (18 out of 18 patents)

5. Ching-yin Hong (17 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sifotonics Technologies Co., Ltd.. Retrieved from https://idiyas.com/company/sifotonics-technologies-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]

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