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For the Inventor, By the Inventor

Kanagawa, Japan

Hirotaka Matsuoka

This inventor holds 52 USPTO granted patents and 2 published patent applications, primarily in Electrostatic Image Toner (CPC class 4301). Top assignee: Fuji Xerox Co., Ltd.. Active years: 1993-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Matsuoka. Retrieved from https://idiyas.com/inventor/hirotaka-matsuoka

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

Calculating rank
USPTO Granted Patents = 52 

% Patents Active = 38.5

Average Co-Inventor Count = 4.1

ph-index = 10

Forward Citations = 324(Granted Patents)

Forward Citations (Not Self Cited) = 305(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nakai-machi, JP (1999)
  • Minamiashiagara, JP (2009)
  • Kanagawa, JP (1993 - 2015)
  • Minamiashigara, JP (1994 - 2015)

Company Filing History:

goldMedal52 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents

Years Active: 1993-2015

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Areas of Expertise:
Electrostatic Image Toner
Binder Resin
Toner Cartridge
Electrostatic Developer
Image Forming Method
Polyester Resin
Electrophotography
Production Method
Resin Dispersion
Electrostatic Charge Image
Developer Cartridge
Image Formation Device
52 patents (USPTO):Explore Patents
1. 9145360 - Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method (2015-09-29),
2. 9005860 - Electrostatic-image developing toner, electrostatic image developer, toner cartridge, process cartridge, image-forming apparatus, and method for forming image (2015-04-14),
3. 8980513 - Polyester resin, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method (2015-03-17),
4. 8951706 - Electrostatic image developing toner, electrostatic developer, toner cartridge, process cartridge, image forming apparatus, and image forming method (2015-02-10),
5. 8883387 - Electrostatic image developing toner and manufacturing method of the same, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method (2014-11-11),
6. 8808956 - Polyester resin for toner, toner, developer, toner cartridge, process cartridge, and image forming apparatus (2014-08-19),
7. 8709694 - Polyurethane resin, toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method (2014-04-29),
8. 8709691 - Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus (2014-04-29),
9. 8663889 - Polyester resin for toner, toner, developer, toner cartridge, process cartridge, and image forming apparatus (2014-03-04),
10. 8652731 - Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus and image forming method (2014-02-18),
11. 8637632 - Method for producing binder resin, particulate resin dispersion and method for producing same, electrostatic image development toner and method for producing same, electrostatic image developer, and image forming method (2014-01-28),
12. 8628902 - Polyester resin for toner, toner, developer, toner cartridge, process cartridge, and image forming apparatus (2014-01-14),
13. 8586276 - Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same (2013-11-19),
14. 8568950 - Polyester resin for toner, electrostatic-image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method (2013-10-29),
15. 8541153 - Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus (2013-09-24),

Title: Innovations of Hirotaka Matsuoka: A Pioneer in Electrostatic Imaging Technology

Introduction

Hirotaka Matsuoka, based in Kanagawa, Japan, is an accomplished inventor with a remarkable portfolio of 52 patents. His contributions to the field of electrostatic imaging and related technologies have significantly advanced the industry, showcasing his innovative spirit and technical expertise.

Latest Patents

Matsuoka's latest patents include a range of novel inventions such as a Bronsted acid compound, a manufacturing method for condensation compounds, and dispersion liquids of condensation compound particles. Additionally, he has developed processes for manufacturing electrostatic image developing toners and binder resins. One of his notable patent applications describes an electrostatic-image developing toner that incorporates a polyester resin synthesized through the reaction of a polycondensate with an isocyanate-containing compound. This innovation emphasizes the practical application of active hydrogen groups to enhance the performance of electrostatic imaging technologies.

Career Highlights

Hirotaka Matsuoka has built a distinguished career at Fuji Xerox Co., Ltd., where he has significantly impacted the development of imaging technologies. His work primarily focuses on creating efficient and effective materials that improve image quality and reduce environmental impact. Through meticulous research and innovative methodologies, Matsuoka has established a strong presence in the competitive field of imaging solutions.

Collaborations

Throughout his career, Matsuoka has collaborated with esteemed colleagues such as Yuki Sasaki and Satoshi Hiraoka. These collaborations have led to a synergy of ideas, resulting in groundbreaking innovations within the electrostatic imaging sector. By pooling their expertise, they have contributed to advancing the technological landscape in significant ways.

Conclusion

Hirotaka Matsuoka's contributions to the field of electrostatic imaging technology underscore his status as a leading inventor. With a strong portfolio of patents and a commitment to innovation, his work continues to shape the industry, making a lasting impact on imaging techniques and formulations. As he pushes the boundaries of technology, Matsuoka will undoubtedly inspire future innovations within this dynamic field.

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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