Kashiwa, Japan

Hajime Akiba

This inventor holds 2 USPTO granted patents. Top assignee: Powdertech Co., Ltd.. Active years: 2019-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Akiba. Retrieved from https://idiyas.com/inventor/hajime-akiba

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 = 3.7

ph-index = 1


Location History:

  • Chiba, JP (2019)
  • Kashiwa, JP (2021)

Company Filing History:


Years Active: 2019-2021

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2 patents (USPTO):Explore Patents

Title: Biography of Hajime Akiba

Introduction: Hajime Akiba is a notable inventor based in Kashiwa, Japan. He has made significant contributions to the field of electrophotographic developers, holding two patents that showcase his innovative approach to materials and manufacturing processes.

Latest Patents: His latest patents include "Carrier core material for electrophotographic developer and method for producing the same" and "Carrier for electrophotographic developer and developer containing said carrier core material." These inventions focus on creating a carrier core material with a ferrite composition that boasts a supernatant transmittance of 85.0% or more. Additionally, he has developed a method for producing this carrier core material, which is characterized by low specific gravity and minimal environmental fluctuation.

Career Highlights: Hajime Akiba is currently employed at Powdertech Co., Ltd., where he continues to advance his research and development efforts. His work emphasizes the importance of creating efficient and effective materials for electrophotographic applications.

Collaborations: Throughout his career, Akiba has collaborated with talented individuals such as Hiroki Sawamoto and Atsushi Nil. These partnerships have contributed to the success of his projects and the advancement of technology in his field.

Conclusion: Hajime Akiba's innovative spirit and dedication to research have established him as a prominent figure in the realm of electrophotographic developers. His patents reflect a

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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