Fuji, Japan

Kazuyuki Matsui

This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1999-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Matsui. Retrieved from https://idiyas.com/inventor/kazuyuki-matsui

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


% Patents Active = 33.3

Average Co-Inventor Count = 4.9

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1999-2009

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3 patents (USPTO):Explore Patents

Title: Kazuyuki Matsui: Innovator in Toner Manufacturing

Introduction

Kazuyuki Matsui is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of toner manufacturing, holding a total of 3 patents. His work focuses on innovative methods for producing high-quality toner used in various imaging applications.

Latest Patents

Matsui's latest patents include a method of manufacturing toner, the toner produced thereby, developer containing the toner, and an image forming apparatus using the toner. One of his methods involves dissolving or dispersing a toner component containing a colorant and a resin in an organic solvent to create a liquid solution or dispersion. This solution is then emulsified and dispersed in an aqueous medium containing a particulate dispersant to obtain emulsified primary particles. The process controls cohesion and agglomeration of these particles while removing the organic solvent, ensuring optimal performance in imaging applications.

Another patent details a method for producing toner that includes dissolving a toner constituent mixture in an organic solvent, preparing an emulsion, and removing the organic solvent while applying a shearing force. This method results in a toner with specific particle diameter relationships, enhancing its effectiveness in image forming apparatuses.

Career Highlights

Kazuyuki Matsui is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of toner technology. His expertise and dedication have led to advancements that improve the quality and efficiency of toner production.

Collaborations

Matsui has collaborated with notable colleagues such as Noboru Kuroda and Nobuyasu Makino. Their combined efforts contribute to the ongoing development of innovative solutions in the imaging industry.

Conclusion

Kazuyuki Matsui's contributions to toner manufacturing demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in producing high-quality toner, making him a valuable asset in the 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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