Sagamihara, Japan

Tsuyoshi Hamaguchi

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Nifco Inc.. Active years: 2002-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Hamaguchi. Retrieved from https://idiyas.com/inventor/tsuyoshi-hamaguchi-n5jm5p0f

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


% Patents Active = 60.0


Average Co-Inventor Count = 1.3

ph-index = 5

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 2002-2014

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5 patents (USPTO):Explore Patents

Title: Tsuyoshi Hamaguchi: Innovator in Mechanical Design

Introduction

Tsuyoshi Hamaguchi is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of mechanical design, holding a total of 5 patents. His innovative spirit and technical expertise have led to the development of practical solutions that enhance everyday products.

Latest Patents

One of Hamaguchi's latest inventions is a cup holder designed to provide convenience and stability. This cup holder features a base that can be fixed to an attached portion, along with a lid body that can switch between a closed and open position. In the closed position, the lid overlaps with the base, while in the open position, it supports the cup from below. Additionally, the holder is supported by an arm that allows it to transition between a housed state and a used state, effectively controlling the lateral movement of the cup.

Another significant patent is the moving mechanism of a movable body. This mechanism includes a first stationary-side gear part and a second stationary-side gear part located on the support body side. It also features a movable-side gear part and a pinion gear on the movable body. The design incorporates a guide device that ensures proper engagement between the gears, facilitating smooth movement. The first stationary-side gear part is formed along an arc of a virtual circle, while the second is positioned adjacent to it, enhancing the overall functionality of the mechanism.

Career Highlights

Hamaguchi is currently employed at Nifco Inc., where he continues to innovate and develop new products. His work has been instrumental in advancing the company's product offerings and enhancing their market competitiveness.

Collaborations

Throughout his career, Hamaguchi has collaborated with talented individuals such as Takahide Ichimaru and Takefumi Adachi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.

Conclusion

Tsuyoshi Hamaguchi is a distinguished inventor whose contributions to mechanical design have made a lasting impact. His innovative patents and collaborative efforts exemplify the spirit of creativity and problem-solving in the field of engineering.

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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