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For the Inventor, By the Inventor

North Brunswick, NJ, United States of America

Steven R Hofstein

This inventor holds 11 USPTO granted patents. Top assignees: World Medical Marketing Corporation, Princeton Electronic Products, Inc., Princeton Electronics Products, Inc.. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven R Hofstein. Retrieved from https://idiyas.com/inventor/steven-r-hofstein

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 7

Forward Citations = 126(Granted Patents)


Location History:

  • Princeton, NJ (US) (1976 - 1980)
  • North Brunswick, NJ (US) (1977 - 1986)

Company Filing History:

goldMedal5 out of 5 
 
World Medical Marketing Corporation
 patents
silverMedal3 out of 4 
 
Princeton Electronic Products, Inc.
 patents
bronzeMedal2 out of 3 
 
Princeton Electronics Products, Inc.
 patents
4. 1 out of 834,570 
Other
 patents

Years Active: 1976-1986

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11 patents (USPTO):Explore Patents
1. 4571642 - Method of and apparatus for modifying a video signal to prevent the (1986-02-18),
2. 4299206 - Foot exerciser (1981-11-10),
3. 4294236 - Foot exerciser (1981-10-13),
4. 4280486 - Foot exerciser (1981-07-28),
5. 4276887 - Foot exerciser (1981-07-07),
6. 4273113 - Foot exerciser (1981-06-16),
7. 4200885 - Ultrasonic scope (1980-04-29),
8. 4099179 - Method and system of electronic image storage and display (1978-07-04),
9. 4010466 - Method and system of electronic image storage and display (1977-03-01),
10. 3949264 - Electronic storage tube target structure and method of operation (1976-04-06),
11. 3940651 - Target structure for electronic storage tubes of the coplanar grid type (1976-02-24),

Title: The Innovative Contributions of Steven R. Hofstein

Introduction

Steven R. Hofstein is a notable inventor based in North Brunswick, NJ (US). He has made significant contributions to the field of technology, holding a total of 11 patents. His work primarily focuses on video signal modification and exercise devices, showcasing his versatility and innovative spirit.

Latest Patents

Among his latest patents, Hofstein has developed a method and apparatus for modifying a video signal to prevent unauthorized recording and reproduction. This invention modifies the video signal in such a way that insufficient vertical synchronization information is contained in some, but not all, of the vertical blanking intervals. This technique causes the rotational velocity of the tape head of the VTR to constantly vary, thereby protecting the content from unauthorized access. Another notable invention is a foot exerciser, which includes a pair of foot pedals and a motor for reciprocating the pedals. This device features a slip clutch that allows the pedals to be reciprocated independently of the motor, with a control circuit that manages the motor's operation based on the number of reciprocations and blood flow through the patient.

Career Highlights

Throughout his career, Hofstein has worked with various companies, including World Medical Marketing Corporation and Princeton Electronic Products, Inc. His experience in these organizations has contributed to his development as an inventor and has provided him with a platform to bring his innovative ideas to life.

Collaborations

Due to space constraints, the details of collaborations will not be included.

Conclusion

Steven R. Hofstein's contributions to technology through his patents reflect his innovative mindset and dedication to improving various fields. His work continues to influence the industry and inspire future inventors.

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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