James B Tsui

This inventor holds 33 USPTO granted patents, primarily in Frequency Measurement Technology. Top assignees: United States of America as Represented by the Secretary of the Air Force, Other. Active years: 1980-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James B Tsui. Retrieved from https://idiyas.com/inventor/james-b-tsui

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

USPTO Granted Patents = 33

% Patents Active = 97.0

Average Co-Inventor Count = 1.8

ph-index = 15

Forward Citations = 501(Granted Patents)

Location History:

Centerville, OH (US) (1980 - 1994)
Dayton, OH (US) (1993 - 2014)

Company Filing History:

32 out of 5,095

United States of America as Represented by the Secretary of the Air Force

patents

1 out of 834,570

Other

patents

Years Active: 1980-2014

Loading Chart...

Areas of Expertise:

Signal Classification

Frequency Measurement

Digital Receiver

Spectral Estimation

Angle-of-Arrival

Doppler Frequency

Passive Ranging

Wideband Receiver

Instantaneous Frequency

Acousto-Optic Delay

Transitional Detection

Kernel Function

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8799345 - Low order multiple signal classification (MUSIC) method for high spectral resolution signal detection (2014-08-05),

2. 6150979 - Passive ranging using global positioning system (2000-11-21),

3. 5963164 - Monobit kernel function electronic warefare receiver for characterizing (1999-10-05),

4. 5917737 - Fourier transform mechanization using one bit kernel function (1999-06-29),

5. 5793323 - Two signal monobit electronic warfare receiver (1998-08-11),

6. 5499391 - Digital channelized IFM receiver (1996-03-12),

7. 5477230 - AOA application of digital channelized IFM receiver (1995-12-19),

8. 5396250 - Spectral estimation of radar time-of-arrival periodicities (1995-03-07),

9. 5373236 - Highly accurate zero crossings for frequency determination (1994-12-13),

10. 5369408 - Self-mixing expendable (1994-11-29),

11. 5327142 - Frequency encoding circuit in Bragg cell receiver (1994-07-05),

12. 5323103 - Frequency measurement receiver with means to resolve two folding (1994-06-21),

13. 5315307 - Doppler frequency angle measurement technique (1994-05-24),

14. 5293114 - Frequency measurement receiver with means to resolve an ambiguity in (1994-03-08),

15. 5291125 - Instantaneous frequency measurement (IFM) receiver with two signal (1994-03-01),

Title: Innovations by James B. Tsui: A Profile of an Inventive Mind

Introduction

James B. Tsui, based in Dayton, OH, is a prolific inventor with an impressive portfolio of 33 patents. His work is distinguished by innovative approaches in signal classification and positioning methods, which have considerably advanced technological capabilities in various fields.

Latest Patents

Among his notable inventions, Tsui has developed a patent on a Low Order Multiple Signal Classification (MUSIC) method for high spectral resolution signal detection. This innovative approach utilizes a lower order covariance matrix to efficiently solve for the number of signals, significantly optimizing the detection process. Another significant patent is his method for passive ranging using the Global Positioning System (GPS). This method accurately determines the distance from a target to an observation station by using differential GPS signals and calculating time discrepancies, effectively enhancing location accuracy.

Career Highlights

Throughout his career, James B. Tsui has contributed to various esteemed organizations, including the United States of America as represented by the Secretary of the Air and the United States Air Force. His extensive experience in these institutions showcases his commitment and expertise in the field of signal processing and navigation technologies.

Collaborations

Tsui has collaborated with notable professionals in the industry, including Rudy L. Shaw and Richard B. Sanderson. Their collective knowledge and teamwork have undoubtedly played an essential role in driving forward their shared projects and innovations.

Conclusion

James B. Tsui's contributions through his patents highlight his significant role in advancing technology, particularly in the field of signal processing and GPS applications. His innovative spirit and collaborative efforts underscore the importance of creativity and teamwork in fostering technological advancements that benefit society.

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]