Nagoya, Japan

Katsumi Yoshii

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Yoshii. Retrieved from https://idiyas.com/inventor/katsumi-yoshii

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 = 5.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: The Innovator Katsumi Yoshii: Revolutionizing Stapler Technology

Introduction

Katsumi Yoshii, an esteemed inventor based in Nagoya, Japan, has made significant strides in the field of stapler technology. With a keen understanding of mechanical systems, he has secured a patent that enhances the efficiency and functionality of traditional staplers.

Latest Patents

Yoshii's notable invention is the "Stacked Sheet Clamping Device for a Stapler." This innovative clamping device is designed to effectively hold sheets stacked on a sorter bin. The device incorporates a moving unit equipped with clamp levers and a stationary unit that houses an opening and closing mechanism for the clamp levers. This design eliminates the need for a solenoid to control the clamp levers, thereby simplifying the wiring necessary for operation. This ingenuity facilitates smoother operation and improved reliability in staplers.

Career Highlights

Katsumi Yoshii has built a formidable career at Ricoh Company, Ltd., where he has contributed his expertise to numerous projects. His focus on innovations in mechanical design demonstrates his commitment to advancing workplace efficiency through inventive solutions.

Collaborations

Throughout his career, Yoshii has collaborated with fellow innovators, including Nobuyuki Morii and Masashi Shimada. Their teamwork has fostered an environment of creativity and progress at Ricoh, leading to groundbreaking inventions in office equipment technologies.

Conclusion

In conclusion, Katsumi Yoshii stands out as a remarkable inventor whose work continues to influence the realm of stapler technology. His patent for a stacked sheet clamping device showcases his innovative spirit and dedication to enhancing operational efficiency, reflecting the vital role inventors play in evolving everyday tools.

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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