Saitama, Japan

Akio Ishikawa

This inventor holds 21 USPTO granted patents and 4 published patent applications and 2 EPO patents, primarily in Semiconductor Devices. Top assignees: Kddi Corporation, Nippon Steel Corporation, Heraeus Deutschland Gmbh & Co Kg. Active years: 1998-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Ishikawa. Retrieved from https://idiyas.com/inventor/akio-ishikawa

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

Calculating rank
USPTO Granted Patents = 21 

% Patents Active = 42.9

 

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 91(Granted Patents)


Location History:

  • Saitama, JP (2012 - 2014)
  • Tokyo, JP (1998 - 2024)

Company Filing History:


Years Active: 1998-2024

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Areas of Expertise:
Semiconductor Device
Image Processing
Solid Electrolytic Capacitor
Layer Compositions
Video Compression
Calibration Apparatus
Free Viewpoint Video
Conductive Polymer
Oxysulfide Photocatalyst
CMOS Transistors
Pixel Classification
Production Process
21 patents (USPTO):Explore Patents

Title: Akio Ishikawa: Innovator in Capacitor Technology

Introduction

Akio Ishikawa, based in Saitama, Japan, is a prominent inventor known for his significant contributions to the field of electronics, particularly in capacitor technology. With a commendable portfolio of 20 patents, Ishikawa has established himself as a leader in innovative electrical solutions.

Latest Patents

Ishikawa's most recent patent involves a solid electrolytic capacitor that features a conductive polymer layer, which provides excellent resistance to metal ion migration. The invention describes a capacitor that includes several components: an electrode body coated with a dielectric layer, a solid electrolyte layer that covers the dielectric, and an anode contact made of copper or similar materials. Additionally, the capacitor includes at least one metal ion migration inhibitor, enhancing its overall performance.

Another notable patent relates to layer compositions that boast improved electrical parameters. This invention outlines a process for the production of a conductive layer, specifically using compositions that include PEDOT/PSS along with a stabilizer, advancing the field of electronic components.

Career Highlights

Throughout his career, Akio Ishikawa has worked with prominent companies such as KDDI Corporation and Nippon Steel Corporation. These affiliations have allowed him to collaborate closely with various teams and brought him access to valuable resources and expertise in the electronics sector.

Collaborations

During his time in the industry, Ishikawa has partnered with notable coworkers, including Mehrdad Panahpour Tehrani and Shigeyuki Sakazawa. These collaborations have contributed to his innovative work and the development of his patents in advanced capacitor technology.

Conclusion

Akio Ishikawa's impact on the electronics field through his innovative patents and collaborations showcases the importance of creativity and advancement in technology. His dedication to improving electrical components continues to influence the industry and pave the way for future innovations.

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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