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For the Inventor, By the Inventor

Kawasaki, Japan

Yasurou Matsuzaki

This inventor holds 70 USPTO granted patents and 2 EPO patents, primarily in Semiconductor Technology (CPC class G11C). Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Fujitsu Limied. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasurou Matsuzaki. Retrieved from https://idiyas.com/inventor/yasurou-matsuzaki

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

Calculating rank
USPTO Granted Patents = 70

% Patents Active = 77.1


Average Co-Inventor Count = 2.2

ph-index = 22

Forward Citations = 1,249(Granted Patents)

Forward Citations (Not Self Cited) = 1,240(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tama, JP (1987 - 1990)
  • Tami, JP (1991)
  • Kawasaki, JP (1999 - 2011)
  • San Jose, CA (US) (2004 - 2011)

Company Filing History:

goldMedal66 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal3 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
bronzeMedal1 out of 31 
 
Fujitsu Limied
 patents

Years Active: 1987-2011

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Areas of Expertise:
Semiconductor Memory
DRAM Core
Memory Circuit
Information Exchange
Bus Connection
Testing Apparatus
Data Transfer Rate
Dynamic Memory Circuit
Self-Test Circuit
Input/Output Interface
Phase Adjustment
Multichip Module
70 patents (USPTO):Explore Patents
1. 7911825 - Multi-port memory based on DRAM core (2011-03-22),
2. 7907434 - Semiconductor apparatus having a large-size bus connection (2011-03-15),
3. 7782682 - Semiconductor device with circuitry for efficient information exchange (2010-08-24),
4. 7391255 - Semiconductor phase adjustment system module (2008-06-24),
5. 7349280 - Memory circuit with automatic precharge function, and integrated circuit device with automatic internal command function (2008-03-25),
6. 7345942 - Memory circuit with automatic refresh function (2008-03-18),
7. 7317650 - Semiconductor memory (2008-01-08),
8. 7317241 - Semiconductor apparatus having a large-size bus connection (2008-01-08),
9. 7304907 - Memory circuit with automatic precharge function, and integrated circuit device with automatic internal command function (2007-12-04),
10. 7295483 - Semiconductor memory (2007-11-13),
11. 7209402 - Semiconductor memory (2007-04-24),
12. 7154799 - Semiconductor memory with single cell and twin cell refreshing (2006-12-26),
13. 7138723 - Deformable semiconductor device (2006-11-21),
14. 7120761 - Multi-port memory based on DRAM core (2006-10-10),
15. 7107504 - Test apparatus for semiconductor device (2006-09-12),

Title: Innovations by Yasurou Matsuzaki: A Pioneer in Semiconductor Technology

Introduction

Yasurou Matsuzaki, a prominent inventor based in Kawasaki, Japan, holds a remarkable portfolio of 70 patents in the field of semiconductor technology. His contributions to innovations in memory devices have made significant impacts in the industry, reflecting his expertise and creativity in engineering.

Latest Patents

Among his latest patents, Matsuzaki has developed a Multi-port memory based on DRAM core. This semiconductor memory device features multiple external ports that can handle concurrent command inputs, thus enhancing access operations. Another notable innovation is his semiconductor apparatus that incorporates a large-size bus connection. In this design, multiple circuit components are interconnected by two distinct buses, allowing for efficient signal transmission and enhanced performance within semiconductor devices.

Career Highlights

Matsuzaki’s career boasts significant affiliations with leading companies in the technology sector, including Fujitsu Corporation and Fujitsu Semiconductor Limited. His work at these companies has provided him the foundation and environment to hone his skills and innovate within the semiconductor space.

Collaborations

Throughout his career, Yasurou Matsuzaki has collaborated with esteemed colleagues such as Masao Taguchi and Hiroyoshi Tomita. These collaborations have led to rich exchanges of ideas and have fostered advancements in technology and innovation.

Conclusion

With a prolific career marked by numerous patents and significant technological advancements, Yasurou Matsuzaki stands as a key figure in the field of semiconductors. His commitments to innovation continue to inspire and influence the next generation of engineers and 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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