Nagano, Japan

Yoichi Hayashi

This inventor holds 1 USPTO granted patent. Top assignee: Seiko Epson Corporation. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Hayashi. Retrieved from https://idiyas.com/inventor/yoichi-hayashi-ex8b9grl

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


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: Yoichi Hayashi: Innovator in Timepiece Technology

Introduction

Yoichi Hayashi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of timepiece technology, particularly through his innovative designs and patents. His work exemplifies the blend of creativity and engineering that drives advancements in horology.

Latest Patents

Hayashi holds a patent for a "Timepiece display apparatus, movement, and timepiece." This invention features a timepiece display apparatus that causes a day hand to move reciprocally through a combination of a center wheel, driven day wheel, cam, lever, and rack. The design allows for a simplified construction of the display apparatus, as the components can be arranged to fit the available space on the main plate of the movement. Additionally, the strategic placement of the cam between the rotary shaft and rack of the lever portion enables a more compact arrangement of parts, facilitating easier assembly.

Career Highlights

Hayashi is associated with Seiko Epson Corporation, a leading company in the field of precision instruments and technology. His work at Seiko Epson has allowed him to explore and develop innovative solutions in timekeeping devices. His contributions have been instrumental in enhancing the functionality and design of modern timepieces.

Collaborations

Throughout his career, Hayashi has collaborated with talented individuals such as Imao Hiraga and Shigeyuki Fujimori. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

In summary, Yoichi Hayashi is a distinguished inventor whose work in timepiece technology has led to significant advancements in the industry. His innovative designs and collaborative efforts continue to influence the future of horology.

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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