Tokyo, Japan

Hiroshi Inuzuka

This inventor holds 1 USPTO granted patent. Top assignee: Miwa Lock Co., Ltd.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Inuzuka. Retrieved from https://idiyas.com/inventor/hiroshi-inuzuka

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 = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Hiroshi Inuzuka: Innovator in Door Hinge Technology

Introduction

Hiroshi Inuzuka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of door hinge technology, particularly in creating solutions that enhance functionality during adverse conditions.

Latest Patents

Inuzuka holds a patent for a unique door hinge designed to facilitate the opening of doors even when the gate frame is distorted. This innovative hinge comprises a first metal plate with a vertical side edge formed integral with a pin, and a second metal piece with a knuckle cylinder that fits the pin. A load plug is slideably fitted into the knuckle cylinder, engaging with the upper end of the pin. The design includes a compression spring that presses the load plug against an engaging portion, allowing the door to be opened smoothly even when interference occurs due to events like earthquakes.

Career Highlights

Hiroshi Inuzuka is associated with Miwa Lock Co., Ltd., where he has been instrumental in developing advanced locking mechanisms and door hardware. His work has focused on enhancing the safety and usability of door systems, making them more resilient to environmental challenges.

Collaborations

Inuzuka has collaborated with Yoshiaki Katoh, a fellow innovator, to further refine and develop his inventions. Their partnership has led to advancements in the design and functionality of door hinges and locking systems.

Conclusion

Hiroshi Inuzuka's contributions to door hinge technology exemplify innovation in engineering. His patented designs not only improve usability but also enhance safety during unforeseen circumstances.

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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