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For the Inventor, By the Inventor

Cupertino, CA, United States of America

Gerald L Pressman

This inventor holds 13 USPTO granted patents. Top assignees: Electroprint, Inc., Trace Mountain Products, Inc., Markem Corporation. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gerald L Pressman. Retrieved from https://idiyas.com/inventor/gerald-l-pressman

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 141(Granted Patents)


Location History:

  • San Jose, CA (US) (1976 - 1982)
  • Cupertino, CA (US) (1976 - 1996)

Company Filing History:

goldMedal9 out of 13 
 
Electroprint, Inc.
 patents
silverMedal2 out of 3 
 
Trace Mountain Products, Inc.
 patents
bronzeMedal1 out of 71 
 
Markem Corporation
 patents
4. 1 out of 834,601 
Other
 patents

Years Active: 1976-1996

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13 patents (USPTO):Explore Patents
1. 5485320 - Method and apparatus for adjusting asymmetric recording signals (1996-01-16),
2. 5479098 - Loop-back circuit for testing a magnetic recording system with (1995-12-26),
3. 4338614 - Electrostatic print head (1982-07-06),
4. 4318002 - Method of charging a multilayered apertured element in an electrostatic (1982-03-02),
5. 4181423 - Electrostatic color printing systems and methods using modulated ion (1980-01-01),
6. 4158564 - Method and apparatus for controlling the gray scale response of a (1979-06-19),
7. 4103895 - Concealed pattern detection game (1978-08-01),
8. 4082448 - Electrostatic modulator for control of flow of charged particles (1978-04-04),
9. 4016813 - Electrostatic line printer (1977-04-12),
10. 4014694 - Method and apparatus for forming a positive electrostatic image (1977-03-29),
11. 4006983 - Electrostatic color printing systems using modulated ion streams (1977-02-08),
12. 3977323 - Electrostatic printing system and method using ions and liquid aerosol (1976-08-31),
13. 3972716 - Color electrophotography using encoded multicolor information (1976-08-03),

Title: Gerald L Pressman: Innovator in Magnetic Recording Technology

Introduction

Gerald L Pressman is a notable inventor based in Cupertino, California, recognized for his contributions to magnetic recording technology. With a total of 13 patents to his name, Pressman has made significant advancements in the field, particularly in methods and apparatuses that enhance the performance of magnetic recording systems.

Latest Patents

Among his latest patents is a method and apparatus for adjusting asymmetric recording signals. This innovation involves an asymmetry detector that reverses the phase of a read, single-frequency test signal. It indicates to a micro-controller whether recording signal asymmetry is present. Upon detecting such asymmetry, the micro-controller adjusts a write current to correct the timing of a written data signal. Another significant patent is a loop-back circuit for testing a magnetic recording system. This circuit provides a technique to test a magnetic recording head, a read circuit, and a write circuit. The test current generates a voltage at the head, which is then filtered to form detectable peaks, allowing for the generation of a read signal with corresponding pulses.

Career Highlights

Throughout his career, Pressman has worked with various companies, including Electroprint, Inc. and Trace Mountain Products, Inc. His work has been instrumental in developing technologies that improve the efficiency and reliability of magnetic recording systems.

Collaborations

Pressman has collaborated with notable individuals in the industry, including Kenneth W Gardiner and Louis Wilk. These collaborations have contributed to the advancement of his innovative projects and patents.

Conclusion

Gerald L Pressman stands out as a significant figure in the realm of magnetic recording technology. His innovative patents and career achievements reflect his dedication to enhancing the capabilities of recording systems. His work continues to influence the industry and inspire future innovations.

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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