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For the Inventor, By the Inventor

Tokyo, Japan

Satoshi Yamakawa

This inventor holds 29 USPTO granted patents and 5 published patent applications, primarily in Data Storage Technology. Top assignees: Nec Corporation, Mitsubishi Denki Kabushiki Kaisha, Renesas Electronics Corporation. Active years: 1987-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Yamakawa. Retrieved from https://idiyas.com/inventor/satoshi-yamakawa

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

USPTO Granted Patents = 29 

% Patents Active = 51.7

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 249(Granted Patents)


Location History:

  • Itami, JP (1987)
  • Hyogo, JP (2001 - 2003)
  • Minato-ku, JP (2010)
  • Kanagawa, JP (2014)
  • Tokyo, JP (2002 - 2020)

Company Filing History:

goldMedal11 out of 36,676 
 
Nec Corporation
 patents
silverMedal10 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
bronzeMedal7 out of 7,651 
 
Renesas Electronics Corporation
 patents
4. 1 out of 58,145 
 
Sony Corporation
 patents

Years Active: 1987-2020

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Areas of Expertise:
Distributed Storage
Storage Node
Data Management
Power Amplification
Semiconductor Device
File Storage
Data Migration
Electrostatic Discharge Protection
Solid-State Image Sensor
Dram Device
Switch Device
SOI Substrate
29 patents (USPTO):Explore Patents
1. 10708355 - Storage node, storage node administration device, storage node logical capacity setting method, program, recording medium, and distributed data storage system (2020-07-07),
2. 9870402 - Distributed storage device, storage node, data providing method, and medium (2018-01-16),
3. 8972358 - File storage apparatus, file storage method, and program (2015-03-03),
4. 8779855 - Power amplification circuit having transformer (2014-07-15),
5. 8493152 - Power amplifier (2013-07-23),
6. 8461927 - Power amplification circuit having transformer (2013-06-11),
7. 8346826 - Switch device, system, backup method and computer program (2013-01-01),
8. 8330544 - Power amplification circuit having transformer (2012-12-11),
9. 8314658 - Power amplifier (2012-11-20),
10. 8301603 - Information document search system, method and program for partitioned indexes on a time series in association with a backup document storage (2012-10-30),
11. 8224772 - Data management apparatus, method and program (2012-07-17),
12. 8134408 - Power amplification circuit having transformer (2012-03-13),
13. 8093950 - Power amplifier having transformer (2012-01-10),
14. 7818287 - Storage management system and method and program (2010-10-19),
15. 7765217 - System and method for managing and arranging data based on an analysis of types of file access operations (2010-07-27),

Title: Inventor Satoshi Yamakawa

Introduction: Satoshi Yamakawa is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Satoshi Yamakawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Satoshi Yamakawa has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the industry.

Collaborations: Throughout his career, Satoshi Yamakawa has collaborated with top companies and fellow inventors to bring his ideas to life, fostering a culture of innovation and creativity in the field.

Conclusion: Satoshi Yamakawa's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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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