Forward Citations = 302

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9 inventors (with patents filed for the assignee):

George Hsu (3 out of 16 patents)

Chung-a Becky Oh (2 out of 3 patents)

Christine Annette Sherer (2 out of 3 patents)

4. John J James (2 out of 2 patents)

5. Timothy J Hawks (2 out of 7 patents)

6. Chun-Foong Cheah (1 out of 1 patent)

7. John S Lee (1 out of 1 patent)

8. Nam H Kim (1 out of 1 patent)

9. Thomas G Henning (1 out of 2 patents)

9 patents: Sort by Forward Citations

1. 6297732 - Radar/laser detection device with multi-sensing and reporting capability (2001-10-02),

2. 6243660 - Digital compass with multiple sensing and reporting capability (2001-06-05),

3. 6084406 - Half-cycle saturable-core magnetometer circuit (2000-07-04),

4. 5680708 - Temperature compensated tilt sensor (1997-10-28),

5. 5428902 - Inclinometer sensing circuitry and operation (1995-07-04),

6. 5381603 - Reference pointer for a compass display (1995-01-17),

7. D345310 - Directional compass for mounting on a surface (1994-03-22),

8. 5239264 - Zero-offset magnetometer having coil and core sensor controlling period (1993-08-24),

9. 4851775 - Digital compass and magnetometer having a sensor coil wound on a high (1989-07-25),

Company Overview

Precision Navigation, Inc. is a leading provider of advanced navigation solutions for various industries including marine, aviation, and defense. With a strong focus on precision and accuracy, our cutting-edge technologies help customers navigate efficiently and safely in challenging environments. We offer a wide range of products and services, from GPS receivers to custom navigation software, tailored to meet the unique needs of each client. Our team of experienced professionals is dedicated to delivering high-quality solutions that exceed expectations and enhance overall operational performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#25 in Santa Rosa, CA

#7,745 in California

#32,605 in US

Santa Rosa, CA, United States of America

Precision Navigation, Inc.

Forward Citations = 302

9 inventors:

George Hsu (3 out of 16 patents)

Chung-a Becky Oh (2 out of 3 patents)

Christine Annette Sherer (2 out of 3 patents)

4. John J James (2 out of 2 patents)

5. Timothy J Hawks (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Precision Navigation, Inc.. Retrieved from https://idiyas.com/company/precision-navigation

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

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]