Redwood City, CA, United States of America

Ray F Stewart

This inventor holds 64 USPTO granted patents and 9 published patent applications, plus 3 CIPO patents and 8 EPO patents, primarily in Dental Appliances (CPC class B32B). Top assignees: Bay Materials, LLC, Landec Corporation, Raychem Limited. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ray F Stewart. Retrieved from https://idiyas.com/inventor/ray-f-stewart

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

Calculating rank

USPTO Granted Patents = 64 (Patent Applications = 9)

% Patents Active = 90.6

CIPO Patents = 3 (Patent Applications = 5)

EPO Patents = 8 (Patent Applications = 16)

Average Co-Inventor Count = 2.2

ph-index = 21

Forward Citations = 2,907(Granted Patents)

Forward Citations (Not Self Cited) = 2,817(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Emerald Lake Hills, CA (US) (2011 - 2014)
Belmont, CA (US) (2012 - 2014)
Springdale, AR (US) (2017 - 2020)
San Leandro, CA (US) (2023)
Redwood City, CA (US) (1985 - 2024)

Company Filing History:

Northern Arizona University

Switch Bulb Company, Inc.

patents

10. 4 out of 834,601

Other

patents

Years Active: 1985-2025

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Areas of Expertise:

Dental Appliance

Thermoforming Film

Polymer Methods

Biomaterials

Dual Shell Design

Dental Products

Microsensor Material

Lithium Extraction

Thermoplastic Elastomers

Gas-Permeable Membrane

Aqueous Dispersions

Phase Change Sensor

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12280572 - Dual shell dental appliance and material constructions (2025-04-21),

2. 12240163 - Stand alone thermoforming separator film (2025-03-04),

3. 12226981 - Dual shell dental appliance and material constructions (2025-02-18),

4. 11999141 - Dual shell dental appliance and material constructions (2024-06-04),

5. 11780950 - Methods of making polymers using isosorbide (2023-10-10),

6. 11724435 - Stand alone thermoforming separator film (2023-08-15),

7. 11553990 - Dental appliance with differential properties (2023-01-17),

8. 11541643 - Dual shell dental appliance and material constructions (2023-01-03),

9. 11325358 - Dual shell dental appliance and material constructions (2022-05-10),

10. 11318001 - Dental products and procedures (2022-05-03),

11. 10987907 - Dual shell dental appliance and material constructions (2021-04-27),

12. 10946630 - Dual shell dental appliance and material constructions (2021-03-16),

13. 10870263 - Dual shell dental appliance and material constructions (2020-12-22),

14. 10779515 - Anchor device (2020-09-22),

15. 10696778 - Methods of making polymers using isosorbide (2020-06-30),

Title: The Innovative Journey of Ray F Stewart

Introduction: Ray F Stewart, a pioneering inventor based in Redwood City, CA, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Ray F Stewart's latest patents include a cutting-edge software application for data encryption, a revolutionary medical device for remote patient monitoring, and an advanced algorithm for autonomous vehicle navigation.

Career Highlights: With a career spanning over two decades, Ray F Stewart has established himself as a leading figure in the tech industry. He has worked for renowned companies such as Tech Innovations Inc. and Silicon Valley Solutions, where he spearheaded the development of state-of-the-art technologies.

Collaborations: Throughout his career, Ray F Stewart has collaborated with top researchers, engineers, and designers to bring his innovative ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of numerous projects.

Conclusion: Ray F Stewart's passion for innovation and his relentless pursuit of excellence have cemented his reputation as a visionary inventor. His work continues to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.