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Allentown, PA, United States of America

Sioptical, Inc.

USPTO Granted Patents = 47

% Expired Patents = 4.3

CIPO Patents = 5

EPO Patents = 1

Forward Citations = 1,050

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15 inventors (with patents filed for the assignee):

Prakash B Gothoskar (23 out of 67 patents)

Robert Keith Montgomery (23 out of 33 patents)

Vipulkumar K Patel (22 out of 122 patents)

4. Margaret Ghiron (21 out of 27 patents)

5. Kalpendu Shastri (20 out of 62 patents)

6. Shrenik Deliwala (19 out of 26 patents)

7. Soham Pathak (18 out of 42 patents)

8. Katherine A Yanushefski (17 out of 21 patents)

9. David Piede (5 out of 21 patents)

10. Mary Nadeau (3 out of 13 patents)

11. Shrenik Delwala (3 out of 4 patents)

12. John Matthew Fangman (2 out of 11 patents)

13. Paulius Mosinskis (2 out of 15 patents)

14. Bipin Dama (1 out of 23 patents)

15. Mark Andrew Webster (1 out of 78 patents)

Core Competencies:

Silicon Modulator

Electro-Optic Modulator

Optical Waveguide

Photonic Integrated Circuit

Evanescent Coupling

Optical Detector

Waveguide Coupler

CMOS Integration

High-Speed Modulation

Silicon Nanotaper

Passive Optical Device

Optical Lens

47 patents: Sort by Forward Citations

1. 7447395 - Silicon modulator offset tuning arrangement (2008-11-04),

2. 7440703 - High-speed, silicon-based electro-optic modulator with feedback control (2008-10-21),

3. 7415184 - Wideband optical coupling into thin SOI CMOS photonic integrated circuit (2008-08-19),

4. 7409327 - Simulation program for integrated optical/electronic circuit (2008-08-05),

5. 7373052 - Passive fiber alignment arrangement for coupling to nano-taper optical waveguides (2008-05-13),

6. 7358585 - Silicon-based Schottky barrier infrared optical detector (2008-04-15),

7. 7327911 - Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements (2008-02-05),

8. 7298949 - SOI-based photonic bandgap devices (2007-11-20),

9. 7269809 - Integrated approach for design, simulation and verification of monolithic, silicon-based opto-electronic circuits (2007-09-11),

10. 7187837 - Active manipulation of light in a silicon-on-insulator (SOI) structure (2007-03-06),

11. 7167293 - Silicon-based electro-optic phase modulator with reduced residual amplitude modulation (2007-01-23),

12. 7118682 - Low loss SOI/CMOS compatible silicon waveguide and method of making the same (2006-10-10),

13. 7109739 - Wafer-level opto-electronic testing apparatus and method (2006-09-19),

14. 7065301 - High speed, silicon-based electro-optic modulator (2006-06-20),

15. 7058261 - Interfacing multiple wavelength sources to thin optical waveguides utilizing evanescent coupling (2006-06-06),

Sioptical, Inc. is a technology company based in Allentown, PA, specializing in advanced photonic solutions. The company focuses on the development and manufacturing of silicon modulators and electro-optic modulators, which are essential for high-speed data transmission and communication systems. Sioptical's expertise extends to optical waveguides, photonic integrated circuits, and opto-electronic circuits, leveraging innovative techniques such as evanescent coupling and silicon waveguide technology to enhance optical detection and signal processing capabilities.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

47 Patents

#4 in Allentown, PA

#272 in Pennsylvania

#7,425 in US

#14,796 in the World

Allentown, PA, United States of America

Sioptical, Inc.

Forward Citations = 1,050

15 inventors:

Prakash B Gothoskar (23 out of 67 patents)

Robert Keith Montgomery (23 out of 33 patents)

Vipulkumar K Patel (22 out of 122 patents)

4. Margaret Ghiron (21 out of 27 patents)

5. Kalpendu Shastri (20 out of 62 patents)

Please report any incorrect information to [email protected]

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