Nishitokyo, Japan

Masahiro Mamiya

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Citizen Holdings Company, Ltd., Citizen Watch Company, Ltd.. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Mamiya. Retrieved from https://idiyas.com/inventor/masahiro-mamiya

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 = 2.9

ph-index = 1

Forward Citations = 9(Granted Patents)


Location History:

  • Higashimurayama, JP (2012)
  • Nishitokyo, JP (2016)

Company Filing History:


Years Active: 2012-2016

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

Title: Masahiro Mamiya: Innovator in Timekeeping Technology

Introduction

Masahiro Mamiya is a notable inventor based in Nishitokyo, Japan. He has made significant contributions to the field of electronic timepieces, holding 2 patents that showcase his innovative approach to watch technology. His work emphasizes enhancing functionality while minimizing the load on electronic components.

Latest Patents

Mamiya's latest patents include an electronic watch designed to accurately acquire the movement start and stop positions of the hand, even when moving at high speeds. This invention reduces the load on the CPU by utilizing a decode circuit and a position information circuit to manage data acquisition efficiently. Another significant patent is for a timepiece with a wireless function, which improves antenna sensitivity. This design allows the watch to reliably receive radio waves, even when housed in a conductive metal case, thanks to an insulating region that separates parts of the case.

Career Highlights

Throughout his career, Mamiya has worked with prominent companies such as Citizen Holdings Company, Ltd. and Citizen Watch Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in watch technology.

Collaborations

Mamiya has collaborated with talented individuals in the industry, including Michihiro Enokida and Tetsuro Maruyama. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Masahiro Mamiya's contributions to electronic watch technology reflect his dedication to innovation and efficiency. His patents demonstrate a commitment to enhancing user experience while addressing technical challenges in 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…