Tokorozawa, Japan

Tetsuro Maruyama

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Citizen Holdings Company, Ltd., Citizen Watch Company, Ltd.. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Maruyama. Retrieved from https://idiyas.com/inventor/tetsuro-maruyama-w2ujwd5u

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2016

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: Tetsuro Maruyama: Innovator in Electronic Watch Technology

Introduction

Tetsuro Maruyama is a notable inventor based in Tokorozawa, Japan. He is recognized for his contributions to the field of electronic watch technology. With a focus on enhancing the functionality and efficiency of electronic watches, Maruyama has made significant strides in this area.

Latest Patents

Maruyama holds a patent for an innovative electronic watch. This electronic watch is designed to accurately acquire the movement start and stop positions of the hand, particularly when the hand moves at high speeds, such as during manual correction by a winding stem. The invention includes a decode circuit that outputs data corresponding to segmented regions of the hand's movement range. Additionally, it features a position information circuit that automatically acquires region data for both the movement start and stop positions, notifying the CPU upon acquisition. This design allows the CPU to pause until both data points are acquired, effectively reducing its load.

Career Highlights

Throughout his career, Tetsuro Maruyama has worked with prominent companies in the watch industry. He has been associated with Citizen Holdings Company, Ltd. and Citizen Watch Company, Ltd. His experience in these organizations has contributed to his expertise in electronic watch technology.

Collaborations

Maruyama has collaborated with notable colleagues, including Michihiro Enokida and Masahiro Mamiya. These partnerships have likely fostered innovation and development in the projects they undertook together.

Conclusion

Tetsuro Maruyama's contributions to electronic watch technology demonstrate his innovative spirit and dedication to improving device functionality. His patent reflects a significant advancement in the field, showcasing his ability to address challenges in high-speed movement detection.

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…