Kaga, Japan

Susumu Hirasawa

This inventor holds 1 USPTO granted patent. Top assignee: Daido Kogyo Co., Ltd.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Hirasawa. Retrieved from https://idiyas.com/inventor/susumu-hirasawa

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

Calculating rank

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: Susumu Hirasawa: Innovator in Chain Tool Technology

Introduction

Susumu Hirasawa is a notable inventor based in Kaga, Japan. He has made significant contributions to the field of mechanical tools, particularly with his innovative designs that enhance functionality and durability.

Latest Patents

Hirasawa holds a patent for a chain disconnecting and connecting tool. This highly durable and compact tool is designed for use with chains at sprocket parts for winding the chain. It can receive operational loads at two places, making it a versatile addition to mechanical toolkits. The tool features a first block with an engaged pressure actuating member coupling member, and a second block that is coupled with the first block turnably. This design includes a cutout on one side and a through hole on the other side, allowing for easy attachment to the chain.

Career Highlights

Hirasawa is associated with Daido Kogyo Co., Ltd., where he has been able to apply his inventive skills to develop practical solutions for various mechanical challenges. His work has contributed to the advancement of tools that are essential in many industries.

Collaborations

Hirasawa has collaborated with Akiyoshi Komeya, working together to enhance the functionality and design of mechanical tools. Their partnership has led to innovative solutions that benefit users in various applications.

Conclusion

Susumu Hirasawa's contributions to the field of mechanical tools, particularly through his patented chain disconnecting and connecting tool, showcase his innovative spirit and dedication to improving technology. His work continues to influence the industry and inspire future inventors.

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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