Ibaraki, Japan

Fumiko Koyama

This inventor holds 1 USPTO granted patent. Top assignee: Riso Kagaku Corporation. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiko Koyama. Retrieved from https://idiyas.com/inventor/fumiko-koyama

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 = 2.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Fumiko Koyama: Innovator in Stencil Technology

Introduction

Fumiko Koyama is a notable inventor based in Ibaraki, Japan. She has made significant contributions to the field of stencil technology, particularly with her innovative designs and methods. Her work has garnered attention for its practicality and efficiency in printing applications.

Latest Patents

Koyama holds a patent for a "Stencil sheet unit and method of making print stencil using the same." This invention features a stencil sheet with a rectangular area and a mount paper that is substantially equal in configuration to the stencil sheet. The stencil sheet is partially adhered to the mount paper by an adhesive portion, which is smaller than half of the rectangular area of the stencil sheet. This design allows for effective printing preparation on areas other than the adhesive portion of the stencil sheet.

Career Highlights

Fumiko Koyama is associated with Riso Kagaku Corporation, a company known for its advancements in printing technology. Her role at the company has allowed her to focus on developing innovative solutions that enhance the printing process. Koyama's dedication to her work is evident in her successful patent application and her ongoing contributions to the field.

Collaborations

Koyama collaborates with Satoru Komata, a fellow innovator in the industry. Their partnership has fostered a creative environment that encourages the development of new ideas and technologies in stencil and printing applications.

Conclusion

Fumiko Koyama's contributions to stencil technology exemplify her innovative spirit and dedication to improving printing methods. Her patent and collaboration with industry professionals highlight her impact on the field.

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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