Tokyo, Japan

Naoji Mizoguchi

This inventor holds 2 USPTO granted patents. Top assignee: Toyo Ink Manufacturing Company. Active years: 1981-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoji Mizoguchi. Retrieved from https://idiyas.com/inventor/naoji-mizoguchi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1981-1996

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2 patents (USPTO):Explore Patents

Title: Naoji Mizoguchi: Innovator in Pigment Technology

Introduction

Naoji Mizoguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pigment technology, holding a total of 2 patents. His work focuses on improving the processes involved in pigment dispersion and composition.

Latest Patents

Mizoguchi's latest patents include a "Continuous Dispersing Apparatus" and a "Method for Preparing a Pigment Composition." The Continuous Dispersing Apparatus is designed to enhance the dispersion of pulverizing media within a vessel. It features stirring vanes that prevent the discharge of coarse pigment particles while allowing dispersed material to pass through. The apparatus includes a rotating disc and a partition that divides the vessel into multiple chambers, each equipped with stirring devices. The Method for Preparing a Pigment Composition involves charging pigment, water, and a water-insoluble resin into a mill. This method mills the mixture at a temperature below the resin's softening point, resulting in a fine powder that is uniformly dispersed throughout the resin.

Career Highlights

Naoji Mizoguchi is currently employed at Toyo Ink Manufacturing Company, where he continues to innovate in the field of pigment technology. His work has been instrumental in advancing the methods used in pigment preparation and dispersion.

Collaborations

Mizoguchi has collaborated with notable colleagues such as Eiichi Takama and Kazuo Kaneko. Their combined expertise has contributed to the development of advanced technologies in the pigment industry.

Conclusion

Naoji Mizoguchi's contributions to pigment technology through his innovative patents and collaborations highlight his role as a key figure in this field. His work continues to influence the industry and improve processes related to pigment dispersion and composition.

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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