Sakurai, Japan

Kumiko Nakamura

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kumiko Nakamura. Retrieved from https://idiyas.com/inventor/kumiko-nakamura

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 8.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Kumiko Nakamura

Introduction: In the world of technological advancements, inventors play a crucial role in shaping the future. One such innovator is Kumiko Nakamura, an accomplished inventor based in Sakurai, Japan. Known for her groundbreaking contribution to electrophotographic technologies, Nakamura's work has garnered recognition in the patent community.

Latest Patents: Kumiko Nakamura holds a patent for a "Set of Electrophotographic Toners." This invention relates to a set of toners specifically designed for electrophotographic machines. The patent details an initial supply toner and a supplementary toner, both composed of toner powder and additives adhering to the surface of the toner powder. Notably, the weight ratio of additives to toner powder in the initial supply toner is set to be greater than that in the supplementary toner, enhancing the functionality and efficiency of the toners used in these machines.

Career Highlights: Kumiko Nakamura's career is marked by her tenure at Sharp Kabushiki Kaisha Corporation, a leading Japanese multinational corporation specializing in electronics. Her contributions to the field of electrophotography not only highlight her innovative spirit but also underscore her commitment to advancing technology within her company.

Collaborations: Throughout her career, Nakamura has had the opportunity to collaborate with notable colleagues, including Shigeaki Tasaka and Nobuhiko Nakano. These collaborations have further enriched her inventive endeavors, allowing for the exchange of ideas and expertise in the field of technology.

Conclusion: Kumiko Nakamura stands out as a prominent figure in the realm of inventions, particularly in the development of electrophotographic toners. Her singular patent and association with Sharp Kabushiki Kaisha Corporation manifest her dedication and significant impact on the industry. As innovations continue to evolve, inventors like Nakamura are essential to driving progress and shaping the future of technology.

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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