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For the Inventor, By the Inventor

Kawasaki, Japan

Masakazu Yamaguchi

This inventor holds 36 USPTO granted patents, primarily in Power Semiconductor Devices. Top assignees: Kabushiki Kaisha Toshiba, Fujitsu Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 1992-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Yamaguchi. Retrieved from https://idiyas.com/inventor/masakazu-yamaguchi

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

USPTO Granted Patents = 36

% Patents Active = 86.1

Average Co-Inventor Count = 2.8

ph-index = 17

Forward Citations = 970(Granted Patents)


Location History:

  • Tokyo, JP (1995 - 2001)
  • Kanagawa-ken, JP (2003 - 2010)
  • Kawasaki, JP (1992 - 2019)
  • Kanagawa, JP (2005 - 2019)

Company Filing History:

goldMedal33 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal3 out of 39,374 
 
Fujitsu Corporation
 patents
bronzeMedal1 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1992-2019

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Areas of Expertise:
Power Semiconductor
Super Junction
Insulated-Gate Thyristor
Short Circuit Withstand
Vertical Transistors
High Voltage Device
Gate Electrodes
Power Transistor
Driving Circuit
Fabrication Method
Power Supply Circuit
Semiconductor Manufacturing
36 patents (USPTO):Explore Patents
1. RE47641 - Semiconductor device with super junction region (2019-10-07),
2. RE47198 - Power semiconductor device (2019-01-07),
3. 8319314 - Semiconductor device (2012-11-27),
4. 7772641 - Power semiconductor device with a plurality of gate electrodes (2010-08-10),
5. 7518197 - Power semiconductor device (2009-04-14),
6. 7492031 - Semiconductor device (2009-02-17),
7. 7456487 - Semiconductor device (2008-11-25),
8. 7361954 - Power semiconductor device (2008-04-22),
9. 7319257 - Power semiconductor device (2008-01-15),
10. 7238576 - Semiconductor device and method of manufacturing the same (2007-07-03),
11. 7170106 - Power semiconductor device (2007-01-30),
12. 7115475 - Method of manufacturing semiconductor device (2006-10-03),
13. 7078740 - Power semiconductor device (2006-07-18),
14. 7075168 - Semiconductor device (2006-07-11),
15. 6995426 - Semiconductor device having vertical metal insulator semiconductor transistors having plural spatially overlapping regions of different conductivity type (2006-02-07),

Title: The Innovative Journey of Masakazu Yamaguchi

Introduction: Masakazu Yamaguchi is a pioneering inventor hailing from Kawasaki, Japan. His relentless pursuit of innovation has led to groundbreaking developments in various fields.

Latest Patents: Masakazu Yamaguchi holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His inventions have garnered international recognition for their ingenuity and practicality.

Career Highlights: With a career spanning over two decades, Masakazu Yamaguchi has worked for leading tech companies and research institutions in Japan. His expertise in engineering and design has been instrumental in the development of cutting-edge technologies.

Collaborations: Throughout his career, Masakazu Yamaguchi has collaborated with top scientists, engineers, and researchers to bring his inventions to life. His ability to work in multidisciplinary teams has resulted in successful projects that push the boundaries of innovation.

Conclusion: Masakazu Yamaguchi's passion for innovation and his dedication to creating solutions for the future continue to inspire the next generation of inventors. His impact on the world of technology is truly remarkable, and his legacy will undoubtedly endure for years to come.

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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