Fukushima, Japan

Yasunari Hamaya

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Nok Corporation. Active years: 1997-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunari Hamaya. Retrieved from https://idiyas.com/inventor/yasunari-hamaya

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


% Patents Active = 66.7

 

Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1997-2016

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3 patents (USPTO):Explore Patents

Title: Innovations by Yasunari Hamaya: Pioneering Valve Technology

Introduction

Yasunari Hamaya is an innovative inventor based in Fukushima, Japan, with a notable contribution to the field of valve technology. With a total of three patents to his name, his work showcases a passion for improving engineering efficiency and functionality in mechanical devices.

Latest Patents

Among his latest inventions is the "Valve Stem Seal Device," which features a unique design comprising a valve stem guide, a cylindrical metallic ring, and a rubbery elastic seal lip. This assembly works in tandem to create a hermetic seal around the valve stem, ensuring optimal performance in various applications. Another significant patent is his "Sealing Device," which eliminates the need for a separate plate spring between the metal ring and the mating member. This device minimizes parts and assembly time while providing effective sealing. The sealing device is particularly useful as a bonded piston seal in automatic transmissions.

Career Highlights

Hamaya's career is anchored at Nok Corporation, where he has dedicated his expertise to enhancing sealing technologies in engineering. His innovative spirit and problem-solving capability have contributed to the advancement of products that are critical in various mechanical systems.

Collaborations

Throughout his career, Yasunari Hamaya has collaborated with talented coworkers, such as Kokichi Hamamoto and Kiichiro Goto. Their combined efforts have fostered a collaborative environment aimed at pushing the boundaries of technology and engineering solutions.

Conclusion

Yasunari Hamaya’s contributions to valve technology exemplify the spirit of innovation. His three patents reflect a commitment to improving mechanical efficacy and reducing assembly complexities. As he continues to work at Nok Corporation, the engineering community looks forward to his future inventions that are sure to impact the industry positively.

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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