Tokyo, Japan

Yasuyuki Masui

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Daini Seikosha. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Masui. Retrieved from https://idiyas.com/inventor/yasuyuki-masui-qde913lt

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 = 1.7

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1980-1985

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2 patents (USPTO):Explore Patents

Title: Innovations by Yasuyuki Masui

Introduction

Yasuyuki Masui is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the design of wearable devices. With a total of 2 patents, his work reflects a commitment to enhancing user experience through innovative solutions.

Latest Patents

Masui's latest patents include a heartbeat rate indicator and a waterproofed watchcase construction. The heartbeat rate indicator features a detection electrode on the surface of a housing, such as a wristwatch case. This design incorporates a circuit-input portion that prevents damage from electrostatic charges when the detection electrode is touched by the human body or clothing. In its non-depressed state, the detection electrode is connected elastically through a switch to one terminal of a power source, allowing for safe discharge of electrostatic charges. The waterproofed watchcase construction utilizes a sealing ring positioned between the watch glass and the bezel portion of the case. This innovative design not only ensures waterproofing but also enhances the aesthetic appeal of the watch by concealing the sealing ring from view.

Career Highlights

Yasuyuki Masui is associated with Kabushiki Kaisha Daini Seikosha, where he has played a pivotal role in developing cutting-edge technologies. His work has contributed to the advancement of wearable technology, making it more functional and user-friendly.

Collaborations

Masui has collaborated with notable coworkers, including Junichi Tabata and Masahiro Torii. Their combined expertise has fostered an environment of innovation and creativity within their projects.

Conclusion

Yasuyuki Masui's contributions to technology through his patents demonstrate his innovative spirit and dedication to improving wearable devices. His work continues to influence the industry and inspire future advancements.

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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