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For the Inventor, By the Inventor

Austin, TX, United States of America

Randolph D Schueller

This inventor holds 15 USPTO granted patents, primarily in Electron Emission Technology. Top assignees: 3M Innovative Properties Company, Trepton Research Group, Inc., Extreme Devices Incorporated. Active years: 1996-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Randolph D Schueller. Retrieved from https://idiyas.com/inventor/randolph-d-schueller

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 66.7

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 503(Granted Patents)


Company Filing History:

goldMedal9 out of 22,419 
 
3M Innovative Properties Company
 patents
silverMedal3 out of 7 
 
Trepton Research Group, Inc.
 patents
bronzeMedal2 out of 12 
 
Extreme Devices Incorporated
 patents
4. 1 out of 4,335 
 
Altera Corporation
 patents

Years Active: 1996-2006

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Areas of Expertise:
Electron Emitter
Field Emitting Device
Ball Grid Array
Interconnect Structure
Cap Assembly
Circuit Packaging
Multi-Metal Layer
Cathode Mounting
Flexible Leads
Ground Plane Routing
Patterned Array
Chip Scale Package
15 patents (USPTO):Explore Patents
1. 7140942 - Gated electron emitter having supported gate (2006-11-28),
2. 6963160 - Gated electron emitter having supported gate (2005-11-08),
3. 6911770 - Apparatus with a cap and cover assembly, an electron gun with a cap assembly, and a method of using a tube (2005-06-28),
4. 6840834 - Package structure for mounting a field emitting device in an electron gun (2005-01-11),
5. 6664721 - Gated electron field emitter having an interlayer (2003-12-16),
6. 6507118 - Multi-metal layer circuit (2003-01-14),
7. 6396141 - Tape ball grid array with interconnected ground plane (2002-05-28),
8. 6373182 - Mounting for cathode in an electron gun (2002-04-16),
9. 6000603 - Patterned array of metal balls and methods of making (1999-12-14),
10. 5990545 - Chip scale ball grid array for integrated circuit package (1999-11-23),
11. 5866949 - Chip scale ball grid array for integrated circuit packaging (1999-02-02),
12. 5844168 - Multi-layer interconnect sutructure for ball grid arrays (1998-12-01),
13. 5663530 - Wire bond tape ball grid array package (1997-09-02),
14. 5602422 - Flexible leads for tape ball grid array circuit (1997-02-11),
15. 5585162 - Ground plane routing (1996-12-17),

Randolph D. Schueller is a renowned inventor in the field of electronics and semiconductors. Currently based in Austin, TX (US), Schueller has been credited with 8 patents related to field emission devices and semiconductor manufacturing. His latest patents involve a gated electron emitter having a supported gate for improved mechanical stability and decreased leakage current.

The gated electron emitter device comprises an intricate network of support layers, dielectric layers, and emission tips made of carbon-based materials. The gate and support layers have openings that are specifically sized to provide mechanical support to the gate electrode. Similarly, dielectric layers with openings of different sizes between the emitter tips and gate electrode help in reducing leakage current.

Schueller has worked with several organizations in the past, including Altera Corporation and Trepton Research Group, Inc. where he may have worked with Susan Hong and Kent Kalar, who were his colleagues.

Schueller's patented inventions have received widespread recognition in the semiconductor industry and have contributed towards the advancement of field emission devices. With his expertise and innovative streak, Schueller is a valuable asset to the field of electronics and semiconductors.

Profile summary based on public USPTO records.
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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