Tokyo, Japan

Keikichi Takahashi

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Daini Seikosha. Active years: 1978-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keikichi Takahashi. Retrieved from https://idiyas.com/inventor/keikichi-takahashi

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1978-1979

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4 patents (USPTO):Explore Patents

Title: Keikichi Takahashi: Innovator in Timepiece Technology

Introduction

Keikichi Takahashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of timepiece technology, holding a total of 4 patents. His innovative designs focus on enhancing the functionality and reliability of electronic watches.

Latest Patents

Takahashi's latest patents include a "Watch with electronic buzzer," which features a waterproof acoustic vibrator designed for timepieces. This invention comprises a waterproof housing and a plate-like member with a magnetic portion, allowing for oscillation to produce audible acoustic waves. The design incorporates both a permanent magnet and an electromagnet to achieve its functionality. Another significant patent is the "Battery lead plate member for an electronic wrist watch." This assembly consists of a one-piece integral structure that connects a circuit block and a battery, ensuring efficient electrical insulation and connectivity within the timepiece.

Career Highlights

Keikichi Takahashi is associated with Kabushiki Kaisha Daini Seikosha, where he has been instrumental in developing advanced timepiece technologies. His work has contributed to the evolution of electronic watches, making them more user-friendly and reliable.

Collaborations

Throughout his career, Takahashi has collaborated with notable coworkers such as Eiichi Matsuura and Nobuo Tsukada. Their combined expertise has fostered innovation within the company and the broader field of timepiece technology.

Conclusion

Keikichi Takahashi's contributions to the world of electronic timepieces highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving user experience and functionality in watches.

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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