Matsumoto, Japan

Eiichiro Yamaguchi

This inventor holds 5 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2015-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichiro Yamaguchi. Retrieved from https://idiyas.com/inventor/eiichiro-yamaguchi

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 = 1.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Nagano, JP (2015)
  • Matsumoto, JP (2016 - 2024)

Company Filing History:


Years Active: 2015-2024

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Eiichiro Yamaguchi: Innovator in Electronic Watch Technology

Introduction

Eiichiro Yamaguchi is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of electronic watch technology, holding a total of 5 patents. His innovative methods have advanced the functionality and usability of electronic watches, particularly in diving applications.

Latest Patents

Yamaguchi's latest patents include a method for controlling an electronic watch that features a first pointing hand and a second pointing hand, each operated by their respective motors. This method utilizes a pressure sensor to measure water pressure, which is crucial for divers. When the start of diving is detected, the system controls both motors to indicate water depth and diving time. This innovative approach enhances the user experience for divers by providing real-time data on their underwater activities.

Career Highlights

Yamaguchi is currently employed at Seiko Epson Corporation, a leading company in the electronics industry. His work focuses on developing advanced electronic watch technologies that cater to specific user needs, such as diving. His contributions have not only improved the functionality of watches but have also set new standards in the industry.

Collaborations

Yamaguchi has collaborated with notable colleagues, including Reiko Sato and Shunsuke Koyama. Their teamwork has fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in electronic watches.

Conclusion

Eiichiro Yamaguchi's work in electronic watch technology exemplifies the spirit of innovation. His patents and collaborations have significantly impacted the industry, particularly for diving enthusiasts. His contributions continue to shape the future of electronic timekeeping devices.

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]
Loading…