Kanagawa, Japan

Tomomichi Karasuyama

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Air Brake Co., Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomomichi Karasuyama. Retrieved from https://idiyas.com/inventor/tomomichi-karasuyama

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 = 2.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Tomomichi Karasuyama: Innovator in Plastic Piston Technology

Introduction

Tomomichi Karasuyama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of plastic piston technology, particularly in the design of master cylinders. His innovative approach has led to the development of a unique two-part plastic piston that addresses common issues in the industry.

Latest Patents

Karasuyama holds a patent for a two-part plastic piston with an excess resin receiving groove. This invention features a first member with a small diameter portion and a second member with a large bore portion. The design effectively prevents excess welding resin from leaking into the seal ring mounting groove, ensuring a superior seal effect. The absence of parting lines along the seal ring mounting groove enhances the overall performance of the piston.

Career Highlights

Karasuyama is currently employed at Nippon Air Brake Co., Ltd., where he continues to innovate and improve upon existing technologies. His work has been instrumental in advancing the efficiency and reliability of plastic pistons used in various applications.

Collaborations

One of his notable collaborators is Ichiro Ishiwata, with whom he has worked closely to refine and develop new technologies in the field.

Conclusion

Tomomichi Karasuyama's contributions to plastic piston technology exemplify the impact of innovative thinking in engineering. His patent and ongoing work at Nippon Air Brake Co., Ltd. highlight the importance of addressing industry challenges through creative solutions.

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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