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For the Inventor, By the Inventor

Dallas, TX, United States of America

Elizabeth Costner Stewart

USPTO Granted Patents = 18 

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

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

Company Filing History:

goldMedal16 out of 29,279 
 
Texas Instruments Corporation
 patents
silverMedal2 out of 832,880 
Other
 patents

Years Active: 1987-2025

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18 patents (USPTO):Explore Patents
1. 12388027 - Semiconductor wafer scribelane structure (2025-08-12),
2. 12355025 - Standalone isolation capacitor (2025-07-08),
3. 12230669 - Standalone high voltage galvanic isolation capacitors (2025-02-18),
4. 11901402 - Standalone isolation capacitor (2024-02-13),
5. 11798979 - Integrated capacitor with sidewall having reduced roughness (2023-10-24),
6. 11784212 - Standalone high voltage galvanic isolation capacitors (2023-10-10),
7. 11532693 - Passive components with improved characteristics (2022-12-20),
8. 11495658 - Hybrid high and low stress oxide embedded capacitor dielectric (2022-11-08),
9. 11205695 - Method of fabricating a thick oxide feature on a semiconductor wafer (2021-12-21),
10. 11121224 - Transistor with field plate over tapered trench isolation (2021-09-14),
11. 11087451 - Generating multi-focal defect maps using optical tools (2021-08-10),
12. 11049820 - Crack suppression structure for HV isolation component (2021-06-29),
13. 10978548 - Integrated capacitor with sidewall having reduced roughness (2021-04-13),
14. 10886120 - Hydrogen ventilation of CMOS wafers (2021-01-05),
15. 9716013 - Sloped photoresist edges for defect reduction for metal dry etch processes (2017-07-25),

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.

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