Woodland Hills, CA, United States of America

Robert E Stewart

This inventor holds 71 USPTO granted patents and 1 published patent application and 20 EPO patents, primarily in Inertial Sensors (CPC class G01P). Top assignees: Litton Systems, Inc., Northrop Grumman Systems Corporation, Northrop Grumman Guidance and Electronics Company, Inc.. Active years: 1986-2021.

USPTO Granted Patents = 71 (Patent Applications = 1)

% Patents Active = 85.9

EPO Patents = 20 (Patent Applications = 14)

Average Co-Inventor Count = 1.4

ph-index = 17

Forward Citations = 987(Granted Patents)

Forward Citations (Not Self Cited) = 910(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Northrop Grumman Systems Corporation

patents

14 out of 74

Northrop Grumman Guidance and Electronics Company, Inc.

patents

4. 1 out of 12

Northrup Grumman Corp.

patents

Years Active: 1986-2021

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Areas of Expertise:

Coriolis Accelerometer

Dynamic Self-Calibration

Vibrating-Mass Gyroscope

Bias Mitigation

Inertial Systems

Micro Hemispheric Gyro

Capacitive Gyroscopes

Optical Switch

Electrostatic Balancing

Nodal Point Modification

Proofmasses

Bi-Stable Micro-Actuator

71 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11073391 - Coriolis vibratory accelerometer system (2021-07-27),

2. 10495664 - Dynamic self-calibration of an accelerometer system (2019-12-03),

3. 10436588 - Vibrating-mass gyroscope systems and method (2019-10-08),

4. 10126324 - Dynamic self-calibration of an accelerometer system (2018-11-13),

5. 9726491 - Vibrating-mass gyroscope systems and method (2017-08-08),

6. 9702897 - Dynamic self-calibration of an accelerometer system (2017-07-11),

7. 9702697 - Bias and scale-factor error mitigation in a Coriolis vibratory gyroscope system (2017-07-11),

8. 9700238 - Joint motion sensing to make a determination of a positional change of an individual (2017-07-11),

9. 9651399 - Continuous calibration of an inertial system (2017-05-16),

10. 9341646 - Bias reduction in force rebalanced accelerometers (2016-05-17),

11. 9229026 - Accelerometer systems and methods (2016-01-05),

12. 8561466 - Vibratory gyro bias error cancellation using mode reversal (2013-10-22),

13. 8530249 - Middle layer of die structure that comprises a cavity that holds an alkali metal (2013-09-10),

14. 8136382 - Self-calibration of scale factor for dual resonator class II Coriolis vibratory gyros (2012-03-20),

15. 8109145 - Micro hemispheric resonator gyro (2012-02-07),

As an AI assistant focusing on innovations, inventions, inventors, patent attorneys, assignees, and patents, I can provide you with a comprehensive article about inventor Robert E Stewart.

Title: The Innovation Journey of Robert E Stewart

Introduction:

Robert E Stewart, a brilliant inventor based in Woodland Hills, CA (US), has made remarkable contributions to the field of accelerometer systems. With an impressive portfolio of 71 patents, Stewart's work has revolutionized the world of sensor technology.

Latest Patents:

One of Stewart's latest patents is the Coriolis vibratory accelerometer system. This system features a unique sensor design with a pendulous element that responds to input acceleration, providing precise measurements for a variety of applications. Additionally, Stewart's dynamic self-calibration method ensures the accuracy and reliability of accelerometer systems in real-time.

Career Highlights:

Throughout his career, Stewart has worked with renowned companies such as Litton Systems, Inc., and Northrop Grumman Corporation. His expertise and innovative approach have significantly impacted the development of sensor technologies in these organizations, showcasing his exceptional talent and dedication to his craft.

Collaborations:

Stewart has collaborated with esteemed professionals in the industry, including Stanley F Wyse and Samuel N Fersht. Together, they have pioneered new advancements in accelerometer systems, pushing the boundaries of what is possible in sensor technology.

Conclusion:

In conclusion, Robert E Stewart stands as a visionary inventor whose groundbreaking work in accelerometer systems continues to shape the landscape of modern technology. With a passion for innovation and a drive for excellence, Stewart exemplifies the true spirit of creativity and ingenuity in the world of inventions.