Kitagunma, Japan

Kenichi Hashizume

This inventor holds 3 USPTO granted patents. Top assignees: The Japan Carlit Co., Ltd., Matsushita Electric Industrial Co., Ltd., Research Development Corporation of Japan. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichi Hashizume. Retrieved from https://idiyas.com/inventor/kenichi-hashizume-9aexdtw2

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 29(Granted Patents)


Location History:

  • Shibukawa, JP (1987)
  • Kitagunma, JP (1992)
  • Kitagunma-gun, JP (1998)

Company Filing History:


Years Active: 1987-1998

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3 patents (USPTO):Explore Patents

Title: Kenichi Hashizume: Innovator in Carbonaceous Materials and Capacitors

Introduction

Kenichi Hashizume is a notable inventor based in Kitagunma, Japan. He has made significant contributions to the field of materials science, particularly in the development of carbonaceous materials and capacitors. With a total of three patents to his name, Hashizume's work has implications for energy storage and electronic components.

Latest Patents

One of Hashizume's latest patents is a method for producing a nitrogen-atom containing carbonaceous material. This invention provides a novel approach to forming a carbonaceous material that exhibits properties useful as a secondary cell electrode material and a host material for catalysts. The method involves electrochemically polymerizing a nitrogen-containing organic compound and heat-treating the resultant polymer as a carbon precursor.

Another significant patent is for a solid capacitor. This invention describes a solid non-polar capacitor that boasts excellent electrical characteristics, including high capacitance. The design includes an electrode formed from a conductor with a porous surface, a dielectric layer made from an insulating polymer thin film, and a counter electrode formed from an electrically conductive layer. The counter electrode consists of an electrically conductive polymer film prepared by chemical oxidation polymerization and an electrically conductive polymer layer prepared by electrolytic polymerization.

Career Highlights

Throughout his career, Kenichi Hashizume has worked with prominent companies such as Japan Carlit Co., Ltd. and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and innovation.

Collaborations

Hashizume has collaborated with notable coworkers, including Isao Isa and Kosei Kinuta. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Kenichi Hashizume's innovative work in carbonaceous materials and capacitors highlights his significant contributions to technology and materials science. His patents reflect a commitment to advancing energy storage solutions and electronic components.

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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