Torrance, CA, United States of America

David N Sitter, Jr

This inventor holds 20 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Raytheon Company, Arete Associates. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David N Sitter, Jr. Retrieved from https://idiyas.com/inventor/david-n-sitter-jr

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

USPTO Granted Patents = 20 

% Patents Active = 90.0

 

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 221(Granted Patents)


Location History:

  • Tucson, AZ (US) (2004 - 2010)
  • El Segundo, CA (US) (2023)
  • Torrance, CA (US) (2010 - 2024)

Company Filing History:


Years Active: 2004-2025

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20 patents (USPTO):Explore Patents

Title: The Innovative Mind of David N. Sitter, Jr.

Introduction: David N. Sitter, Jr. is a prominent inventor based in Torrance, California, known for his significant contributions to technology through his innovative patents. With a remarkable portfolio of 19 patents, Sitter has developed cutting-edge solutions that enhance various imaging and optical systems.

Latest Patents: Among his latest inventions, Sitter holds a patent for a "System for coherent imaging in dynamic engagements." This advanced cohesive imaging system produces coherent flood illumination directed at remote objects, utilizing a local oscillator (LO) illumination derived from a master oscillator. Additionally, it employs a Doppler sensor to analyze the return of flood illumination reflected off objects, allowing for precise imaging despite their motion.

Another notable patent is for a "Beam splitter with switchable output beam." This invention features a polarization grating with a liquid crystal layer that can switch between 'on' and 'off' states based on applied voltage. In the 'off' state, the grating angularly deviates and polarizes incident light, whereas in the 'on' state, it aligns with light, letting it pass unobstructed. This innovative beam splitter further includes sub-aperture mirrors arranged at varying distances to optimize light reflection.

Career Highlights: Throughout his career, David N. Sitter, Jr. has made significant strides within leading technology companies, including Raytheon and Arete Associates. His work in these organizations has solidified his reputation as a key innovator in the field.

Collaborations: Sitter has had the opportunity to collaborate with notable coworkers such as Joseph C. Marron and Maurice J. Halmos. Their joint efforts have contributed to the development of groundbreaking technologies, further showcasing the impact of teamwork in the innovation process.

Conclusion: David N. Sitter, Jr. exemplifies the spirit of innovation through his impressive array of patents and contributions to optical technologies. His work continues to inspire future generations of inventors and demonstrates the importance of creativity and persistence in the pursuit of technological advancement.

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]
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