Kumagaya, Japan

Tsutomu Saitou

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi Metals, Ltd.. Active years: 1994-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Saitou. Retrieved from https://idiyas.com/inventor/tsutomu-saitou-pcd16fvm

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 = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1994-1998

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2 patents (USPTO):Explore Patents

Title: Tsutomu Saitou: Innovator in Electrostatic Imaging Technology

Introduction

Tsutomu Saitou is a notable inventor based in Kumagaya, Japan. He has made significant contributions to the field of electrostatic imaging technology. With a total of 2 patents to his name, Saitou's work has advanced the methods of developing electrostatic latent images.

Latest Patents

Saitou's latest patents include a developer for developing an electrostatic latent image and a novel developing method. The developer is created by mixing a chargeable magnetic toner, primarily composed of a binder resin and magnetic powder, with a magnetic carrier. This mixture has specific volume resistivity characteristics that enhance its performance. The method of forming an image involves creating an electrostatic latent image on an image carrier, where a magnetic brush slides against the surface to transfer the visualized toner image to a recording medium.

Career Highlights

Tsutomu Saitou is currently employed at Hitachi Metals, Ltd., where he continues to innovate in the field of imaging technology. His work has been instrumental in improving the efficiency and effectiveness of electrostatic imaging processes.

Collaborations

Saitou has collaborated with notable coworkers, including Masumi Asanae and Akihiko Funakawa, contributing to advancements in their shared field of expertise.

Conclusion

Tsutomu Saitou's contributions to electrostatic imaging technology reflect his dedication to innovation and excellence. His patents and ongoing work at Hitachi Metals, Ltd. continue to influence the industry positively.

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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