Osaka, Japan

Tsutomu Kato

This inventor holds 3 USPTO granted patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Sumitomo Electric Industries, Limited. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Kato. Retrieved from https://idiyas.com/inventor/tsutomu-kato-t1nvgxle

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 = 5.5

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1986

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3 patents (USPTO):Explore Patents

Title: Tsutomu Kato: Innovator in Release Agent Applicators

Introduction

Tsutomu Kato is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of copying machines, particularly through his innovative designs for release agent applicators. With a total of 3 patents to his name, Kato's work has enhanced the performance and efficiency of copying machines.

Latest Patents

Kato's latest patents include a method of producing a release agent applicator designed to eliminate voids in the release agent contained within the applicator. This innovation improves the spreading performance of the release agent onto the fixing roll of the copying machine. The applicator is constructed from a porous polyethylene tetrafluoride tube, with partially closed pores that prevent capillary action from drawing the release agent into the tube. Another patent focuses on a release agent applicator that ensures even application of the release agent to the fixing roll of a plain paper copying machine, minimizing leakage. This design features a porous polyethylene tetrafluoride resin tube housed in a divided-type support, which allows for effective sealing and release agent outlet.

Career Highlights

Throughout his career, Tsutomu Kato has worked with prominent companies such as Sumitomo Electric Industries, Limited and Sharp Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for copying machines.

Collaborations

Kato has collaborated with notable coworkers, including Takao Ogino and Hiroo Katsuya. Their combined efforts have further advanced the technology in the field of release agent applicators.

Conclusion

Tsutomu Kato's contributions to the development of release agent applicators have significantly impacted the efficiency of copying machines. His innovative designs and patents reflect his dedication to improving technology in this area.

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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