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For the Inventor, By the Inventor

Dallas, TX, United States of America

Elizabeth Costner Stewart

This inventor holds 22 USPTO granted patents and 10 published patent applications, primarily in Semiconductor Capacitors. Top assignees: Texas Instruments Corporation, Other. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Elizabeth Costner Stewart. Retrieved from https://idiyas.com/inventor/elizabeth-costner-stewart

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

USPTO Granted Patents = 22 

% Patents Active = 95.5

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 45(Granted Patents)


Location History:

  • Houston, TX (US) (1987 - 1988)
  • Dallas, TX (US) (2017 - 2024)

Company Filing History:

goldMedal20 out of 29,901 
 
Texas Instruments Corporation
 patents
silverMedal2 out of 834,570 
Other
 patents

Years Active: 1987-2026

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Areas of Expertise:
Isolation Capacitor
Galvanic Isolation
Dielectric Fabrication
Transistor Design
Semiconductor Wafer
Optical Tools
Defect Reduction
High Voltage Capacitors
Passive Components
Oxide Features
Photoresist Edges
Skin Cleanser
22 patents (USPTO):Explore Patents
1. 12701991 - Integrated isolation capacitor with enhanced bottom plate (2026-08-04),
2. 12604728 - Integrated circuit (IC) die comprising galvanic isolation capacitor (2026-04-14),
3. 12557654 - Dielectric crack suppression fabrication and system (2026-02-17),
4. 12520557 - Transistor with field plate over tapered trench isolation (2026-01-06),
5. 12388027 - Semiconductor wafer scribelane structure (2025-08-12),
6. 12355025 - Standalone isolation capacitor (2025-07-08),
7. 12230669 - Standalone high voltage galvanic isolation capacitors (2025-02-18),
8. 11901402 - Standalone isolation capacitor (2024-02-13),
9. 11798979 - Integrated capacitor with sidewall having reduced roughness (2023-10-24),
10. 11784212 - Standalone high voltage galvanic isolation capacitors (2023-10-10),
11. 11532693 - Passive components with improved characteristics (2022-12-20),
12. 11495658 - Hybrid high and low stress oxide embedded capacitor dielectric (2022-11-08),
13. 11205695 - Method of fabricating a thick oxide feature on a semiconductor wafer (2021-12-21),
14. 11121224 - Transistor with field plate over tapered trench isolation (2021-09-14),
15. 11087451 - Generating multi-focal defect maps using optical tools (2021-08-10),

Title: The Innovative Journey of Elizabeth Costner Stewart

Introduction: Elizabeth Costner Stewart, an accomplished inventor based in Dallas, TX, has made significant contributions to the field of electronics. With 14 patents to her name, her innovative spirit and technical expertise have led her to develop groundbreaking technologies that enhance electrical systems.

Latest Patents: Among her impressive portfolio, Elizabeth's recent patents include advancements in galvanic isolation capacitors. One notable invention is a device that integrates a semiconductor substrate and a PMD layer, featuring a carefully calculated ratio of the thicknesses of its layers. This device can function as part of a multi-chip module, showcasing her ability to merge innovation with practicality. Another of her latest inventions is a standalone isolation capacitor, which utilizes multiple dielectric layers and capacitor plates to enhance the efficacy of electronic devices. These innovations reflect her commitment to pushing the boundaries of modern technology.

Career Highlights: Elizabeth currently works at Texas Instruments Corporation, where she continues to drive innovation in electronics. Her work not only illustrates her engineering prowess but also contributes to the advancement of electrical components, vital for various applications in consumer and industrial technology.

Collaborations: Throughout her career, Elizabeth has collaborated with talented colleagues, including Jeffrey Alan West and Thomas Dyer Bonifield. These partnerships have fostered a creative environment that nurtures innovation and results in cutting-edge technological solutions.

Conclusion: Elizabeth Costner Stewart's inventive spirit has left a significant mark on the electronics industry. With her array of patents and ongoing contributions at Texas Instruments Corporation, she is a leader in innovation, shaping the future of electrical engineering. Her commitment to technological advancements serves as an inspiration for aspiring inventors and professionals in the field.

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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