Yokohama, Japan

Seizi Tomari

This inventor holds 1 USPTO granted patent. Top assignee: Canon Kabushiki Kaisha. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seizi Tomari. Retrieved from https://idiyas.com/inventor/seizi-tomari

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Seizi Tomari: Innovator in Electrophotography

Introduction

Seizi Tomari is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electrophotography, particularly through his innovative work on color toners. His expertise and creativity have led to the development of a unique product that enhances the quality of printed materials.

Latest Patents

Seizi Tomari holds 1 patent for his invention of a color toner for electrophotography. This toner is characterized by its negatively charged composition, which includes a polyester resin derived from the reaction of polyol and dicarboxylic acid components, along with an organic pigment. This invention has the potential to improve the efficiency and quality of color printing processes.

Career Highlights

Tomari is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to be at the forefront of advancements in electrophotography, contributing to the company's reputation for innovation and quality in the printing industry.

Collaborations

Throughout his career, Seizi Tomari has collaborated with talented individuals such as Kaichi Tsuchiya and Hiroshi Yamakami. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Seizi Tomari's contributions to the field of electrophotography through his innovative color toner patent exemplify the impact of dedicated inventors in advancing technology. His work continues to influence the printing industry, showcasing the importance of innovation in creating high-quality products.

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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