Campbell, CA, United States of America

Michael D Johnson

This inventor holds 2 USPTO granted patents. Top assignee: Apple Inc.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michael D Johnson. Retrieved from https://idiyas.com/inventor/michael-d-johnson-0c6eyinh

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 87(Granted Patents)


Location History:

  • Campbell, CA (US) (1997)
  • San Jose, CA (US) (1997)

Company Filing History:


Years Active: 1997

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2 patents (USPTO):Explore Patents

Title: Michael D Johnson - Innovator in Computer Systems

Introduction

Michael D Johnson is a notable inventor based in Campbell, CA (US). He has made significant contributions to the field of computer systems, particularly in reducing power consumption and improving signal integrity in DRAM systems. With a total of 2 patents, Johnson's work has had a meaningful impact on technology.

Latest Patents

Johnson's latest patents include a "Method and apparatus for reducing transitions on computer signal lines." This invention focuses on eliminating unnecessary address transitions on a DRAM address bus and DRAM write enable line. By replacing the DRAM controller's address multiplexer with a multiplexing driver circuit and a bus holder circuit, the invention effectively reduces address transitions not associated with actual DRAM access cycles. Additionally, his patent titled "Apparatus and method for reducing power consumption in a computer system" outlines a method for minimizing power consumption in processors. This method allows the processor to enter an inactive state, disabling clocking signals and the power supply, thus enhancing energy efficiency.

Career Highlights

Michael D Johnson is currently employed at Apple Inc., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the efficiency and performance of computer systems.

Collaborations

Johnson has collaborated with notable colleagues, including Wing-Hong Chow and Helder Ramalho, contributing to various projects that enhance technological advancements.

Conclusion

Michael D Johnson's contributions to the field of computer systems through his innovative patents demonstrate his commitment to improving technology. His work continues to influence the industry and pave the way for future advancements.

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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