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For the Inventor, By the Inventor

Austin, TX, United States of America

Extreme Devices Incorporated

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 8.3

Forward Citations = 465

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14 inventors (with patents filed for the assignee):

goldMedal Keith D Jamison (10 out of 14 patents)

silverMedal Donald E Patterson (8 out of 8 patents)

bronzeMedal Kent Kalar (3 out of 17 patents)

4.  Randolph D Schueller (2 out of 15 patents)

5.  Anthony A Kloba (2 out of 3 patents)

6.  Byron Zollars (1 out of 16 patents)

7.  Richard L Woodin (1 out of 12 patents)

8.  John J Lorr (1 out of 4 patents)

9.  Charlie Hong (1 out of 1 patent)

10.  David F Hebert (1 out of 1 patent)

11.  David A Delguzzi (1 out of 1 patent)

12.  Randolph V Schueller (1 out of 1 patent)

13.  Rich Gorski (1 out of 1 patent)

14.  Mike L Kempel (1 out of 1 patent)


12 patents:

1. 6710534 - Traveling wave tube having multilayer carbon-based emitter (2004-03-23),
2. 6664721 - Gated electron field emitter having an interlayer (2003-12-16),
3. 6624578 - Cathode ray tube having multiple field emission cathodes (2003-09-23),
4. 6469433 - Package structure for mounting a field emitting device in an electron gun (2002-10-22),
5. 6441550 - Carbon-based field emission electron device for high current density applications (2002-08-27),
6. 6429596 - Segmented gate drive for dynamic beam shape correction in field emission cathodes (2002-08-06),
7. 6373182 - Mounting for cathode in an electron gun (2002-04-16),
8. 6359378 - Amplifier having multilayer carbon-based field emission cathode (2002-03-19),
9. 6329745 - Electron gun and cathode ray tube having multilayer carbon-based field emission cathode (2001-12-11),
10. 6255768 - Compact field emission electron gun and focus lens (2001-07-03),
11. 6181055 - Multilayer carbon-based field emission electron device for high current density applications (2001-01-30),
12. 6015459 - Method for doping semiconductor materials (2000-01-18),
Company Overview
Extreme Devices Incorporated, based in Austin, TX, specializes in advanced technology solutions, focusing on the development and manufacturing of high-performance electronic devices. The company is known for its innovative approaches in various domains, including telecommunications and embedded systems. With a commitment to pushing the boundaries of technology, Extreme Devices integrates cutting-edge research into its products, catering to a diverse range of industries and applications, both domestically and internationally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

12 Patents

#250 in Austin, TX

#1,595 in Texas

#25,589 in US

#48,235 in the World

Austin, TX (US)
Austin, TX, United States of America

Extreme Devices Incorporated

Forward Citations = 465

14 inventors:

goldMedal Keith D Jamison (10 out of 14 patents)

silverMedal Donald E Patterson (8 out of 8 patents)

bronzeMedal Kent Kalar (3 out of 17 patents)

4.  Randolph D Schueller (2 out of 15 patents)

5.  Anthony A Kloba (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Extreme Devices Incorporated. Retrieved from https://idiyas.com/company/extreme-devices

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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