Sendai, Japan

Ryuta Kobayakawa

This inventor holds 10 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignees: Nec Tokin Corporation, Tokin Corporation. Active years: 2009-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuta Kobayakawa. Retrieved from https://idiyas.com/inventor/ryuta-kobayakawa

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

USPTO Granted Patents = 10 

% Patents Active = 50.0


Average Co-Inventor Count = 5.4

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Sendai, JP (2009 - 2014)
  • Miyagi, JP (2012 - 2017)

Company Filing History:


Years Active: 2009-2017

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10 patents (USPTO):Explore Patents

Title: Innovations of Ryuta Kobayakawa

Introduction

Ryuta Kobayakawa is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of electroconductive materials, particularly in the development of solid electrolytic capacitors. With a total of 10 patents to his name, Kobayakawa's work has advanced the technology used in various electronic applications.

Latest Patents

Kobayakawa's latest patents focus on an electrically conductive polymer composition that exhibits high electrical conductivity, excellent water resistance, high density, and smoothness. One of his key inventions is a solid electrolyte capacitor designed to maintain electrical conductivity while ensuring low equivalent series resistance (ESR) and high reliability. His innovative method for producing this capacitor involves creating a polymer suspension that includes a dopant composed of a polyacid or its salt, along with specific compounds such as erythritol, xylitol, and pentaerythritol. This approach results in a solid electrolytic capacitor that minimizes leakage current and enhances performance.

Career Highlights

Throughout his career, Kobayakawa has worked with prominent companies in the electronics sector, including NEC Tokin Corporation and Tokin Corporation. His experience in these organizations has allowed him to refine his expertise in electroconductive materials and capacitor technology.

Collaborations

Kobayakawa has collaborated with talented individuals in his field, including Tomoki Nobuta and Naoki Takahashi. These partnerships have contributed to the successful development of his innovative technologies.

Conclusion

Ryuta Kobayakawa's contributions to the field of electroconductive materials and solid electrolytic capacitors have made a significant impact on electronic technology. His innovative patents and collaborations highlight his dedication to advancing this important area of research.

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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