Kanagawa, Japan

Shinichi Yaoi

This inventor holds 17 USPTO granted patents and 4 published patent applications, primarily in Electrophotographic Toner. Top assignees: Fuji Xerox Co., Ltd., Fujitsu Corporation. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Yaoi. Retrieved from https://idiyas.com/inventor/shinichi-yaoi

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 64.7

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Kawasaki, JP (2001 - 2008)
  • Kanagawa, JP (2010 - 2019)

Company Filing History:


Years Active: 2001-2019

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Areas of Expertise:
Electrophotographic Toner
Image Forming Apparatus
Color Image Forming Method
Toner Cartridge
Electrostatic Charge Developer
Toner Dispersion
Flash Fixing Toner
Optical Fixing Toner
Developer Cartridge
Imaging Color Toner
Electrostatic Image Developer
Electrostatic Image Developing Toner
17 patents (USPTO):Explore Patents

Title: The Innovations of Shinichi Yaoi

Introduction

Shinichi Yaoi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrostatic-image developing toners, holding a total of 17 patents. His work has been instrumental in advancing technologies related to imaging and printing.

Latest Patents

Yaoi's latest patents include innovations in electrostatic-image developing toners, electrostatic image developers, and toner cartridges. One of his notable inventions describes an electrostatic-image developing toner that contains toner particles made from a polycondensate resin and hydrophobic external additive particles. These particles have a volume average particle size ranging from about 40 to about 200 nm. The toner exhibits a specific difference between half-fall temperatures T1/2A and T1/2B, measured under controlled humidity and temperature conditions. Another patent details a toner that includes core particles and a shell layer, with specific structural units derived from polycarboxylic acids and polyols, including those with a bisphenol-A backbone. This toner also maintains a water content of about 2.0% to about 5.0% by mass.

Career Highlights

Throughout his career, Shinichi Yaoi has worked with notable companies such as Fuji Xerox Co., Ltd. and Fujitsu Corporation. His experience in these organizations has allowed him to refine his expertise in imaging technologies and contribute to various innovative projects.

Collaborations

Yaoi has collaborated with several professionals in his field, including Yasushige Nakamura and Seijiro Ishimaru. These collaborations have further enhanced his work and led to the development of advanced imaging solutions.

Conclusion

Shinichi Yaoi's contributions to the field of electrostatic-image developing toners have made a lasting impact on imaging technology. His innovative patents and collaborations reflect his dedication to advancing this important area of research.

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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