Suwa, Japan

Shoichi Nagao

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Suwa Seikosha. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Nagao. Retrieved from https://idiyas.com/inventor/shoichi-nagao-5twdwl2k

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 = 5(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: Shoichi Nagao: Innovator in Timepiece Technology

Introduction

Shoichi Nagao is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of electronic timepieces, showcasing his innovative spirit through his patented designs. His work reflects a deep understanding of both functionality and user experience in timekeeping devices.

Latest Patents

Nagao holds a patent for a "Switch structure for a timepiece." This invention features a multi-position external operational member that enhances the functionality of electronic timepieces. The switch structure includes a click lever and a switch lever, which are operationally engaged with the external operational member. The design allows for the rotation of the external operational member to pivot the switch lever, enabling a first switching connection. Additionally, axial displacement of the external operational member shifts the switch lever for a second switching action. This innovation allows for time adjustments when the click lever is in a first position and calendar adjustments when it is in a second position.

Career Highlights

Nagao is associated with Kabushiki Kaisha Suwa Seikosha, a company known for its expertise in timepiece manufacturing. His work at this organization has allowed him to develop and refine his innovative ideas, contributing to the advancement of electronic timekeeping technology.

Collaborations

One of his notable collaborators is Hiroaki Fujimori. Their partnership has likely fostered a creative environment that encourages the development of cutting-edge timepiece technologies.

Conclusion

Shoichi Nagao's contributions to the field of electronic timepieces exemplify his innovative mindset and dedication to enhancing user experience. His patented switch structure represents a significant advancement in timepiece technology, showcasing the potential for further innovations in this field.

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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