Kanagawa, Japan

Motoko Sakai

This inventor holds 18 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp.. Active years: 2005-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoko Sakai. Retrieved from https://idiyas.com/inventor/motoko-sakai

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

USPTO Granted Patents = 18 

% Patents Active = 61.1

 

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 14(Granted Patents)


Location History:

  • Minamiashigara, JP (2005 - 2007)
  • Kanagawa, JP (2011 - 2022)

Company Filing History:


Years Active: 2005-2022

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18 patents (USPTO):Explore Patents

Title: The Innovative Mind of Motoko Sakai

Introduction: Motoko Sakai is a distinguished inventor based in Kanagawa, Japan, renowned for her contributions to the field of electrostatic charge imaging. With an impressive portfolio of 18 patents, Motoko has made significant advancements that enhance imaging technology and improve performance in various applications.

Latest Patents: Among her latest innovations are two notable patents that exemplify her expertise. The first is an electrostatic charge image developing toner, which consists of toner particles with an average circularity ranging from 0.96 to 1.00 and organic particles with an aspect ratio between 0.4 and 0.9 as an external additive. The second patent focuses on a carrier for developing electrostatic charge images, which features magnetic particles coated with a resin that contains at least one lubricant. This unique resin coating contains a dispersed phase of lubricant that is stratified in layers: the lubricant content in the top layer is greater than that in the middle layer, which is in turn greater than that in the bottom layer—a configuration that ensures optimal development efficiency.

Career Highlights: Motoko has worked with several prominent companies throughout her career, most notably with Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corporation. Her roles in these organizations have enabled her to apply her inventive skills in practical settings, contributing to advancements in imaging technology.

Collaborations: Throughout her career, Motoko has collaborated with esteemed colleagues such as Yoshifumi Iida and Susumu Yoshino. These partnerships have fostered an environment of innovation, allowing her to further explore the complexities of electrostatic charge imaging and develop cutting-edge technologies.

Conclusion: Motoko Sakai stands as an exemplary figure in the field of innovation. Her extensive patent portfolio and collaborative efforts demonstrate her commitment to enhancing imaging technologies. With her continued dedication to research and development, Motoko is sure to remain a prominent influence in the world of inventiveness for years to come.

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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