Hyogo, Japan

Akira Yamazaki

This inventor holds 126 USPTO granted patents and 9 EPO patents, primarily in Power Conversion Technology (CPC class 36523003). Top assignees: Mitsubishi Denki Kabushiki Kaisha, Kabushiki Kaisha Yaskawa Denki, Renesas Technology Corp.. Active years: 1992-2025.


% Patents Active = 72.2

 

Average Co-Inventor Count = 3.2

ph-index = 22

Forward Citations = 1,242(Granted Patents)

Forward Citations (Not Self Cited) = 1,218(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Hyogo-ken, JP (1996 - 2002)
  • Hyogo, JP (1992 - 2006)
  • Yokohama-shi, Kanagawa, JP (2006)
  • Yokohama, JP (2009 - 2017)
  • Kawasaki, JP (2013 - 2017)
  • Mitaka-shi, JP (2018)
  • Toyohashi, JP (2017 - 2019)
  • Mitaka, JP (2019)
  • Kanagawa, JP (2014 - 2021)
  • Fukuoka, JP (2015 - 2021)
  • Tokyo, JP (1996 - 2023)
  • Kitakyushu, JP (2015 - 2023)

Company Filing History:

goldMedal45 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
silverMedal15 out of 1,136 
 
Kabushiki Kaisha Yaskawa Denki
 patents
bronzeMedal14 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 11 out of 7,651 
 
Renesas Electronics Corporation
 patents
5. 10 out of 177 
 
Mitsubishi Electric Engineering Company, Limited
 patents
6. 9 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
7. 5 out of 9 
 
Iida Denki Kogyo Co., Ltd.
 patents
8. 5 out of 2,422 
 
Mitsubishi Chemical Corporation
 patents
9. 3 out of 12 
 
Z Ama Japan Co., Ltd.
 patents
10. 2 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents
11. 2 out of 179 
 
Yamabiko Corporation
 patents
12. 1 out of 11 
 
Arc Design, Inc.
 patents
13. 1 out of 15 
 
Cambridge Filter Corporation
 patents
14. 1 out of 116 
 
Fuji Electric Systems Co. Ltd.
 patents
15. 1 out of 123 
 
Kobayashi Pharmaceutical Co., Ltd.
 patents
16. 1 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents
17. 1 out of 1,234 
 
Nhk Spring Co., Ltd.
 patents
18. 1 out of 6 
 
Renesas Electronics Coporation
 patents
19. 1 out of 20 
 
Toppan Forms Co., Ltd.
 patents
20. 15 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2025

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Areas of Expertise:
Power Conversion Device
Conductive Composition
Cryptographic Communication
Solid Electrolytic Capacitor
Motor Controller
Image Reading Device
Matrix Converter
Handheld Engine-Driven Machine
Electrical Conductor
Photomask Production
Document Feeder
AC Motor Control
126 patents (USPTO):Explore Patents

Title: Inventor Spotlight: Akira Yamazaki's Innovative Patents

Introduction:

In the realm of technological advancements and patent filings, inventors like Akira Yamazaki are at the forefront of driving innovation. This article sheds light on the noteworthy contributions of Yamazaki, exploring some of his latest patents, career highlights, and collaborations.

Latest Patents:

Akira Yamazaki boasts an impressive portfolio of 125 patents, showcasing his expertise in various fields. Among his recent inventions are three remarkable patents that revolve around power conversion devices and conductive compositions.

Firstly, one of Yamazaki's latest patents involves a power conversion device, a system, and a method. The device, when connected to a second power conversion device, utilizes power conversion circuitry to change the connection state between multiple lines on the primary and secondary sides. The inclusion of baseline selection circuitry and partial modulation control circuitry enhances the overall power conversion process.

Secondly, Yamazaki's ingenuity extends to a conductive composition and its production method. This composition incorporates a conductive polymer, a water-soluble polymer, and a solvent. By meticulously controlling the composition's components, Yamazaki ensures optimal conductivity and stability. The combination of a water-soluble polymer represented by formula (11) and precise proportions of another water-soluble polymer brings exceptional qualities to the conductive composition.

Career Highlights:

Throughout his illustrious career, Akira Yamazaki has made significant contributions to the field of innovation. His work notably includes collaborations with esteemed companies such as Mitsubishi Denki Kabushiki Kaisha and others. Yamazaki's expertise and dedication have established him as a notable figure in the realm of patents and inventions.

Collaborations:

Within the patent landscape, Yamazaki has collaborated with several talented individuals, amplifying the impact of his innovations. Noteworthy among his coworkers are Katsumi Dosaka and Fukashi Morishita. These collaborations highlight Yamazaki's ability to synergize ideas, expertise, and efforts to create groundbreaking inventions that push technological boundaries.

Conclusion:

Akira Yamazaki's impressive portfolio of 125 patents reflects his commitment to pushing the boundaries of innovation. Through his contributions, particularly in power conversion devices and conductive compositions, Yamazaki demonstrates his exceptional problem-solving skills and dedication to advancing technologies. Collaborations with notable companies and talented individuals further underscore his ability to thrive in diverse environments. As we look towards the future, it is inventors like Akira Yamazaki who continue to shape and mold the world of technology with their groundbreaking inventions and patents.

Profile summary based on public USPTO records.
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