Saitama, Japan

Masatoshi Naoi

This inventor holds 1 USPTO granted patent. Top assignee: Shin-Etsu Polymer Co., Ltd.. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Naoi. Retrieved from https://idiyas.com/inventor/masatoshi-naoi

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 = 4.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Masatoshi Naoi: Innovator in Semiconductive Technology

Introduction

Masatoshi Naoi is a prominent inventor based in Saitama-ken, Japan. He is known for his innovative contributions to the field of semiconductive materials, particularly in the development of specialized components for printing technology. His work has significantly impacted the performance and durability of printing devices.

Latest Patents

Masatoshi Naoi holds a patent for a semiconductive rubber roller. This invention is designed for use in printers of photocopying machines. The roller is an elongated integral body that consists of a metal shaft, a semiconductive foamed rubber layer surrounding the shaft, and a semiconductive solid silicone rubber layer on top of the foamed rubber layer. The patent highlights that unexpected improvements in performance and durability can be achieved when the silicone rubber contains low molecular weight organopolysiloxane molecules. These molecules should have a degree of polymerization not exceeding 20 and be present in an amount not exceeding 1.0% by weight. Additionally, the surface of the semiconductive solid silicone rubber layer can be enhanced with a covering layer, which may be a resinous coating or a skin layer modified through chemical or physical treatments such as ultraviolet irradiation.

Career Highlights

Masatoshi Naoi has made significant strides in his career, particularly through his work at Shin-Etsu Polymer Co., Ltd. His innovative approach to materials science has led to advancements in the functionality of printing technologies. His dedication to research and development has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Masatoshi Naoi has collaborated with notable colleagues, including Takashi Nozawa and Masahiro Ikeda. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Masatoshi Naoi's contributions to the field of semiconductive technology, particularly through his patented semiconductive rubber roller, demonstrate his commitment to enhancing the performance of printing devices. His work continues to influence the industry and inspire future innovations.

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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