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For the Inventor, By the Inventor

Shizuoka, Japan

Nobutaka Kinoshita

This inventor holds 9 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobutaka Kinoshita. Retrieved from https://idiyas.com/inventor/nobutaka-kinoshita

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 7

Forward Citations = 125(Granted Patents)


Location History:

  • Shizuoka-ken, JP (1999 - 2001)
  • Shizuoka, JP (1999 - 2001)
  • Mishima, JP (1999 - 2002)

Company Filing History:

goldMedal9 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 1999-2002

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9 patents (USPTO):Explore Patents
1. 6395443 - Toner for developing electrostatic image and process of preparing same (2002-05-28),
2. 6255028 - Electrophotographic toner and image forming method using the toner (2001-07-03),
3. 6248488 - Image formation method using color toners (2001-06-19),
4. 6194118 - Color toner and manufacturing method thereof and image forming method using the color toner (2001-02-27),
5. 6120960 - Image forming method and dry toner therefor (2000-09-19),
6. 6060201 - Image forming method using color developers (2000-05-09),
7. 5998074 - Color toner and manufacturing method thereof and image forming method (1999-12-07),
8. 5952048 - Ink composition and recording method using the same (1999-09-14),
9. 5919592 - Yellow toner for color electrophotography (1999-07-06),

Title: Nobutaka Kinoshita: Innovator in Electrophotographic Toner Technology

Introduction

Nobutaka Kinoshita is a prominent inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of electrophotographic toner technology, holding a total of 9 patents. His work focuses on developing advanced toners that enhance the quality and efficiency of electrostatic image development.

Latest Patents

Kinoshita's latest patents include innovative formulations for toners used in electrophotographic processes. One notable patent describes a toner for developing an electrostatic image, which consists of a binder, a coloring agent, and a charge controlling agent. This toner is designed to optimize particle size distribution, ensuring that specific portions of the toner meet precise criteria for effective image development. Another patent outlines an electrophotographic toner that incorporates styrene oligomers, enhancing the performance of the toner in image formation.

Career Highlights

Kinoshita is currently employed at Ricoh Company, Ltd., where he continues to push the boundaries of toner technology. His work has been instrumental in advancing the capabilities of electrophotographic printing, making it more efficient and effective for various applications.

Collaborations

Throughout his career, Kinoshita has collaborated with notable colleagues, including Mitsuo Aoki and Akira Oyamaguchi. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in the field.

Conclusion

Nobutaka Kinoshita's contributions to electrophotographic toner technology have established him as a key figure in the industry. His innovative patents and ongoing work at Ricoh Company, Ltd. continue to influence the future of image development technologies.

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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