Kanagawa, Japan

Takatsugu Doi

This inventor holds 51 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Electrophotographic Technology (CPC class G03G). Top assignee: Fuji Xerox Co., Ltd.. Active years: 2001-2017.

USPTO Granted Patents = 51 

% Patents Active = 35.3

 

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 201(Granted Patents)

Forward Citations (Not Self Cited) = 194(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Minamiashigara, JP (2002 - 2003)
  • Ebina, JP (2004 - 2011)
  • Kanagawa, JP (2001 - 2017)

Company Filing History:


Years Active: 2001-2017

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Areas of Expertise:
Electrophotographic Photoreceptor
Charge Transporting Film
Image Forming Apparatus
Process Cartridge
Ink Jet Recording
Reactive Compound
Photoelectric Conversion Device
Ink-Receptive Particles
Recording Apparatus
Liquid Composition
Cured Film
Electrophotographic Photoconductor
51 patents (USPTO):Explore Patents

Title: Takatsugu Doi – Innovator in Fluorine-Containing Resins

Introduction

Takatsugu Doi is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the field of polymer science. With an impressive total of 51 patents to his name, he has made a notable impact on the development of fluorine-containing resin technologies.

Latest Patents

Doi's latest patents indicate a focused area of innovation centered around fluorine-containing resin particle dispersion and its applications. His patents include methods for preparing fluorine-containing resin particle dispersion, coating liquids incorporating these particles, and various applications such as coating films and electrophotographic photoreceptors. Noteworthy patents in this series detail a fluorine-containing resin particle dispersion that comprises fluorine-containing particles and a specific type of resin, which is well-suited to operate in a hydroxyl group-containing solvent environment. These innovations enhance the performance and functionality of materials used in numerous industries.

Career Highlights

Throughout his career, Takatsugu Doi has worked at Fuji Xerox Co., Ltd., where he has engaged in pioneering research and development. His innovative work has contributed to advancements in imaging technologies and material sciences, particularly in how resin systems can improve efficiency and effectiveness in industrial applications.

Collaborations

Doi collaborates with esteemed colleagues, including Katsumi Nukada and Wataru Yamada, who share his passion for material science and innovation. This collaborative environment nurtures creativity and promotes the development of cutting-edge technologies in the field.

Conclusion

Takatsugu Doi stands out as a significant figure in the innovations of fluorine-containing resin technologies. His extensive patent portfolio and collaborative efforts underline his commitment to advancing material sciences, making essential contributions that continue to influence various applications in the industry. Doi's work exemplifies the innovative spirit that drives progress in the world of inventions.

Profile summary based on public USPTO records.
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