For the Inventor, By the Inventor

Enter assignee name

Los Angeles, CA, United States of America

Light Signatures, Inc.

USPTO Granted Patents = 28

Forward Citations = 1,450

Loading Chart...

Loading Chart...

10 inventors (with patents filed for the assignee):

Robert N Goldman (21 out of 23 patents)

Ronald A Katz (4 out of 90 patents)

David G Gold (3 out of 3 patents)

4. Leonard J Nunley (2 out of 2 patents)

5. M Duane Sanner (2 out of 2 patents)

6. Frank D Tucker (2 out of 2 patents)

7. Barry M Wallace (1 out of 2 patents)

8. Edgar R Pitcher (1 out of 3 patents)

9. Thomas C McGeary (1 out of 4 patents)

10. Vahakn K Gharibian (1 out of 1 patent)

Core Competencies:

Programmable Sensor Aperture

Digital Recording

Authenticity Verification

Merchandise Verification

Image Dissecting

Magnetic Characteristics

Document Authentication

Secure Transaction

Non-Counterfeitable

Card Sensing

Verification System

Bi-Stable Separator

28 patents: Sort by Forward Citations

1. 5023923 - Programmable sensor aperture (1991-06-11),

2. 4916294 - System for reliable digital recording on unreliable magnetic media (1990-04-10),

3. 4837840 - System for verifying authenticity of various articles (1989-06-06),

4. 4816824 - Merchandise verification and information system (1989-03-28),

5. 4811408 - Image dissecting document verification system (1989-03-07),

6. 4807287 - Document authentication method (1989-02-21),

7. 4806740 - Magnetic characteristic identification system (1989-02-21),

8. 4795890 - Device authentication system for on and off line use (1989-01-03),

9. 4785290 - Non-counterfeitable document system (1988-11-15),

10. 4748679 - Weighted-pixel characteristic sensing system (1988-05-31),

11. 4739322 - Merchandise verification and information system (1988-04-19),

12. 4734695 - Secure card and sensing system (1988-03-29),

13. 4723071 - Anticounterfeit card-sensing mechanism (1988-02-02),

14. 4721298 - Bi-stable paper separator (1988-01-26),

15. 4689477 - Verification system for document substance and content (1987-08-25),

Company Overview

Light Signatures, Inc. is a technology company based in Los Angeles, California, specializing in advanced optical systems and imaging technologies. The organization focuses on developing innovative solutions that enhance visual communication and data representation across various industries. With a commitment to research and development, Light Signatures aims to push the boundaries of optical engineering, contributing to fields such as telecommunications, healthcare, and entertainment through cutting-edge applications and products.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

28 Patents

#65 in Los Angeles, CA

#2,848 in California

#12,013 in US

#23,285 in the World

Los Angeles, CA, United States of America

Light Signatures, Inc.

Forward Citations = 1,450

10 inventors:

Robert N Goldman (21 out of 23 patents)

Ronald A Katz (4 out of 90 patents)

David G Gold (3 out of 3 patents)

4. Leonard J Nunley (2 out of 2 patents)

5. M Duane Sanner (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Light Signatures, Inc.. Retrieved from https://idiyas.com/company/light-signatures

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]

Loading…