Ayase, Japan

Toyoharu Chiyoshi

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Ikeda Bussan Co. Ltd.. Active years: 1989-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyoharu Chiyoshi. Retrieved from https://idiyas.com/inventor/toyoharu-chiyoshi

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1989-1992

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5 patents (USPTO):Explore Patents

Title: Innovations by Toyoharu Chiyoshi

Introduction

Toyoharu Chiyoshi is a notable inventor based in Ayase, Japan. He has made significant contributions to the field of materials and design, particularly in the development of innovative seating solutions. With a total of five patents to his name, Chiyoshi's work reflects a commitment to enhancing comfort and functionality in everyday products.

Latest Patents

Chiyoshi's latest patents include a "Skin Covered Foamed Plastic Seat with Holes" and a "Method of Producing Skin-Covered Pad for Seat." The first patent describes a skin-covered foamed plastic seat designed to prevent the leakage of liquid foam resin from holes. This innovative design incorporates a trim cover that attaches to the skin cover at the locations of the holes, effectively covering the side faces of the bossings of the molding surface. The second patent outlines a method for producing a skin-covered pad for a seat, which involves several steps, including preparing a lower mold, inserting a bag-shaped outer skin member, pouring liquid material, and closing the cavity with an upper mold.

Career Highlights

Chiyoshi is currently associated with Ikeda Bussan Co. Ltd., where he continues to innovate and develop new products. His work has garnered attention for its practical applications and contributions to the manufacturing industry.

Collaborations

Chiyoshi collaborates with talented coworkers, including Ichiro Matsuura and Takashi Sugiura. Their combined expertise fosters a creative environment that encourages the development of cutting-edge solutions.

Conclusion

Toyoharu Chiyoshi's contributions to the field of invention, particularly in seating technology, highlight his innovative spirit and dedication to improving product design. His patents reflect a deep understanding of materials and user needs, making him a significant figure in the industry.

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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