For the Inventor, By the Inventor

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Santa Clara, CA, United States of America

Gemfire Corporation

USPTO Granted Patents = 36

% Expired Patents = 30.6

EPO Patents = 2

Forward Citations = 1,576

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39 inventors (with patents filed for the assignee):

William K Bischel (26 out of 49 patents)

Michael J Brinkman (17 out of 33 patents)

Simon J Field (15 out of 27 patents)

4. David A Deacon (11 out of 34 patents)

5. Tony C Kowalczyk (9 out of 12 patents)

6. Mark J Dyer (9 out of 25 patents)

7. Edward J DeWath (7 out of 12 patents)

8. Richard B Tompane (5 out of 5 patents)

9. David A G Deacon (5 out of 25 patents)

10. Markus Peter Hehlen (4 out of 14 patents)

11. Hindrick Freerk Bulthuis (4 out of 6 patents)

12. Hindrik Freerk Bulthuis (3 out of 8 patents)

13. David K Wagner (3 out of 7 patents)

14. Gunter B Beelen (2 out of 4 patents)

15. Michael G Jubber (2 out of 2 patents)

Core Competencies:

Optical Device

Tunable Dispersion

Multi-Channel Laser

Low-Loss Waveguide

AWG Architecture

Thermo-Optic Switch

Optoelectronic Devices

Photonic Devices

Display Architecture

Variable Attenuation

Waveguide Routing

Frequency Converter

36 patents: Sort by Forward Citations

1. 9494735 - AWG supporting multiple frequency bands and channel plans through respective multiple inputs (2016-11-15),

2. 8873910 - Optical device with athermal slots for temperature dependence curvature reduction (2014-10-28),

3. 8824056 - Optical device with reduced polarization sensitivity (2014-09-02),

4. 7711222 - Tunable dispersion compensation apparatus (2010-05-04),

5. 7689072 - Optical device with reduced temperature dependence (2010-03-30),

6. 7653109 - Multi-channel laser pump source for optical amplifiers (2010-01-26),

7. 7492991 - Arrayed waveguide grating with reduced channel passband asymmetry (2009-02-17),

8. 7471856 - Short reach optical interconnect (2008-12-30),

9. 7397986 - Optical device with reduced temperature dependence (2008-07-08),

10. 7382953 - Folded AWG architecture (2008-06-03),

11. 7263247 - Integrated optical isolator array (2007-08-28),

12. 7235150 - Multi-channel laser pump source for optical amplifiers (2007-06-26),

13. 7215854 - Low-loss optical waveguide crossovers using an out-of-plane waveguide (2007-05-08),

14. 6724968 - Photodefinition of optical devices (2004-04-20),

15. 6556734 - Electrical connection scheme for optical devices (2003-04-29),

Company Overview

Gemfire Corporation, based in Santa Clara, California, specializes in advanced technology solutions that enhance data management and analytics. The company focuses on developing innovative software platforms that facilitate real-time data processing and integration, catering to various industries including finance, healthcare, and telecommunications. With a commitment to driving efficiency and performance, Gemfire leverages cutting-edge technologies to empower organizations in their digital transformation journeys.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

36 Patents

#98 in Santa Clara, CA

#2,247 in California

#9,509 in US

#18,730 in the World

Santa Clara, CA, United States of America

Gemfire Corporation

Forward Citations = 1,576

39 inventors:

William K Bischel (26 out of 49 patents)

Michael J Brinkman (17 out of 33 patents)

Simon J Field (15 out of 27 patents)

4. David A Deacon (11 out of 34 patents)

5. Tony C Kowalczyk (9 out of 12 patents)

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

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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