Shiga, Japan

Isamu Mashima

This inventor holds 2 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 2009-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Mashima. Retrieved from https://idiyas.com/inventor/isamu-mashima

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

Calculating rank

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Ohmihachiman, JP (2009)
  • Shiga-ken, JP (2010)

Company Filing History:


Years Active: 2009-2010

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2 patents (USPTO):Explore Patents

Title: Isamu Mashima: Innovator in Memory Configuration Technology

Introduction

Isamu Mashima is a notable inventor based in Shiga-ken, Japan. He has made significant contributions to the field of memory configuration technology, particularly in systems on a chip (SoC). With a total of 2 patents, his work has advanced the efficiency and reliability of memory systems.

Latest Patents

Mashima's latest patents focus on a method and apparatus for redundant memory configuration in voltage islands. This innovative approach allows for the configuration of redundant memory elements within a SoC that has discrete voltage domains. The design includes multiple memories for each voltage island, each equipped with redundancy elements or the capability to access redundant memory elements from neighboring voltage domains. A fuse cell is utilized to store configuration information that controls the switching of memory elements. Additionally, a shift register is employed to receive and retain configuration information from the fuse cell, while a control circuit directs the operation of the shift register. This system enhances the reliability and performance of memory configurations in complex electronic devices.

Career Highlights

Isamu Mashima is currently associated with International Business Machines Corporation (IBM), where he continues to innovate in the field of memory technology. His work has been instrumental in developing solutions that address the challenges of memory redundancy and configuration in modern computing systems.

Collaborations

Mashima has collaborated with several talented individuals in his field, including Masayoshi Taniguchi and Jun Usami. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Isamu Mashima's contributions to memory configuration technology have made a significant impact on the industry. His innovative patents and collaborations with other experts highlight his dedication to advancing technology in the field.

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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