For the Inventor, By the Inventor

Enter assignee name

Issaquah, WA, United States of America

Jx Crystals Inc.

USPTO Granted Patents = 32

% Expired Patents = 21.9

Forward Citations = 909

Loading Chart...

Loading Chart...

20 inventors (with patents filed for the assignee):

Lewis M Fraas (32 out of 40 patents)

John E Samaras (11 out of 11 patents)

James E Avery (9 out of 16 patents)

4. Lucian G Ferguson (4 out of 10 patents)

5. Jany X Fraas (3 out of 3 patents)

6. Leonid Minkin (2 out of 2 patents)

7. Han Xiang Huang (2 out of 2 patents)

8. Douglas Williams (2 out of 21 patents)

9. Jason B Keyes (2 out of 2 patents)

10. William P Mulligan (2 out of 2 patents)

11. Robert M Fraas (2 out of 3 patents)

12. Michael Ronald Seal (1 out of 4 patents)

13. Paul D Custard (1 out of 1 patent)

14. Wilbert E Daniels (1 out of 1 patent)

15. Galen Magendanz (1 out of 1 patent)

Core Competencies:

Thermophotovoltaic

Photovoltaic Cells

Infrared Emitter

Solar Concentrator

Power Generator

Cylindrical Generator

Low Bandgap

Energy Conversion

Electric Power

Hydrocarbon Fired

Cogeneration

Thermal Management

32 patents: Sort by Forward Citations

1. 11277090 - Multi fuel thermophotovoltaic generator incorporating an omega recuperator (2022-03-15),

2. 10374119 - Heterojunction GaSb infrared photovoltaic cell (2019-08-06),

3. 8581090 - Fuel fired ThermoPhotoVoltaic (TPV) cylindrical power supply and battery replacement with catalytic matched emitter or post IR emitter array (2013-11-12),

4. 8487180 - Pre-fabricated roof-mount sun-track PV carousel (2013-07-16),

5. 7994417 - Optimal cell selection for series connection in Cassegrain PV module (2011-08-09),

6. 7872192 - Planar solar concentrator power module (2011-01-18),

7. 7388146 - Planar solar concentrator power module (2008-06-17),

8. 7196263 - TPV cylindrical generator for home cogeneration using low NOx radiant tube burner (2007-03-27),

9. 6538193 - Thermophotovoltaic generator in high temperature industrial process (2003-03-25),

10. 6489553 - TPV cylindrical generator for home cogeneration (2002-12-03),

11. 6486392 - Hydrocarbon fired thermophotovoltaic electric generator insert having low bandgap cells for use as a replacement burner in an appliance retrofit (2002-11-26),

12. 6353175 - Two-terminal cell-interconnected-circuits using mechanically-stacked photovoltaic cells for line-focus concentrator arrays (2002-03-05),

13. 6337437 - Electric power generating lantern using forced air cooled low bandgap photovoltaic cells (2002-01-08),

14. 6303853 - Shingle circuits for thermophotovoltaic systems (2001-10-16),

15. 6284969 - Hydrocarbon fired thermophotovoltaic furnace (2001-09-04),

Company Overview

Jx Crystals Inc., based in Issaquah, WA, specializes in the development and manufacturing of advanced crystal materials for various applications. The company focuses on innovative solutions in the fields of optics, electronics, and telecommunications, leveraging cutting-edge research to enhance performance and efficiency. With a commitment to quality and precision, Jx Crystals Inc. serves a diverse range of industries, contributing to advancements in technology and materials science.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#2 in Issaquah, WA

#225 in Washington

#10,599 in US

#20,671 in the World

Issaquah, WA, United States of America

Jx Crystals Inc.

Forward Citations = 909

20 inventors:

Lewis M Fraas (32 out of 40 patents)

John E Samaras (11 out of 11 patents)

James E Avery (9 out of 16 patents)

4. Lucian G Ferguson (4 out of 10 patents)

5. Jany X Fraas (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jx Crystals Inc.. Retrieved from https://idiyas.com/company/jx-crystals

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]

Loading…