Nagano, Japan

Fumio Nakazima

This inventor holds 2 USPTO granted patents. Top assignees: Topy Fasteners, Ltd., Ichikoh Industries, Ltd.. Active years: 1998-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Nakazima. Retrieved from https://idiyas.com/inventor/fumio-nakazima

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 = 4.0

ph-index = 2

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1998-1999

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2 patents (USPTO):Explore Patents

Title: Biography of Fumio Nakazima

Introduction: Fumio Nakazima is a notable inventor based in Nagano-ken, Japan. He has made significant contributions to the field of fasteners, particularly through his innovative designs of push nuts. With a total of two patents to his name, Nakazima's work has had a considerable impact on the functionality and efficiency of electrical appliances.

Latest Patents: Nakazima's latest patents include a push nut and a method for producing the same. The first patent describes a push nut that features a washer member and a push spring with radial blade pieces arranged like a truncated cone. This design effectively retains a shaft or rod onto the frame of an electrical appliance. The push nut can be easily formed from an elastic plate, allowing for efficient production. The second patent details a push nut formed of an annular rim and an elastic prong member with a fragile portion that can be easily bent. This design allows for secure engagement with rod-shaped articles, facilitating easy disengagement with minimal damage.

Career Highlights: Throughout his career, Fumio Nakazima has worked with prominent companies such as Topy Fasteners, Ltd. and Ichikoh Industries, Ltd. His experience in these organizations has contributed to his expertise in the development of innovative fastening solutions.

Collaborations: Nakazima has collaborated with notable coworkers, including Yoshiaki

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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