Tokyo, Japan

Takeshi Kohama

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Showa Denko K.k.. Active years: 2009-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Kohama. Retrieved from https://idiyas.com/inventor/takeshi-kohama-8f8vxz3c

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 13(Granted Patents)


Location History:

  • Yokohama, JP (2009)
  • Tokyo, JP (2021)

Company Filing History:


Years Active: 2009-2021

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2 patents (USPTO):Explore Patents

Title: Innovations of Takeshi Kohama

Introduction

Takeshi Kohama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of advanced capacitor technologies. With a total of 2 patents, his work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Kohama's latest patents include a method for manufacturing solid electrolytic capacitors. This method involves producing a solid electrolytic capacitor by forming a dielectric film on the surface of a valve-acting metal with fine pores. It also includes a step of forming a solid electrolyte layer containing a conductive polymer on the dielectric film. Notably, this solid electrolyte layer is formed without using an oxidizing agent through various polymerization methods.

Another significant patent is related to surface modified corundum and resin composition. This invention features corundum coated with a silicone compound, which enhances the affinity between the resin and corundum. The resulting resin composition ensures low viscosity and uniform dispersibility, improving the handling and moldability of the material.

Career Highlights

Kohama is currently employed at Showa Denko K.K., a leading company in the chemical and materials industry. His work at this organization has allowed him to focus on innovative solutions that address the needs of modern electronic devices.

Collaborations

Throughout his career, Kohama has collaborated with notable colleagues, including Katsutoshi Kishi and Takeshi Kawamoto. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Takeshi Kohama's contributions to the field of electronics through his innovative patents demonstrate his expertise and commitment to advancing technology. His work 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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