Tokyo, Japan

Hiromasa Nakanishi

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Daini Seikosha. Active years: 1980-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromasa Nakanishi. Retrieved from https://idiyas.com/inventor/hiromasa-nakanishi

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 = 4.8

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1980-1981

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4 patents (USPTO):Explore Patents

Title: Hiromasa Nakanishi: Innovator in Electronic Timekeeping

Introduction

Hiromasa Nakanishi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronic timepieces, holding a total of 4 patents. His innovative designs have enhanced the functionality and reliability of electronic watches.

Latest Patents

Nakanishi's latest patents include advanced electronic watch technologies. One of his inventions features an electronic timepiece equipped with a stepping motor and a drive circuit. This design responds to control signals that apply electrical drive pulses, allowing for precise rotation of the stepping motor's rotor. The control circuit is designed to ensure that time is accurately maintained, even after resetting. Another patent focuses on a non-operation detecting circuit that identifies when the stepping motor is not functioning. This circuit produces a non-operation signal, which is counted and stored for later use. When the motor resumes operation, a quick feed control circuit advances the motor to display the corrected time, ensuring reliability under various external conditions.

Career Highlights

Hiromasa Nakanishi works at Kabushiki Kaisha Daini Seikosha, a company known for its commitment to innovation in timekeeping technology. His work has significantly impacted the design and functionality of electronic watches, making them more user-friendly and accurate.

Collaborations

Nakanishi has collaborated with notable coworkers, including Masataka Ikenishi and Joichi Miyazaki. Their combined expertise has contributed to the development of cutting-edge technologies in the field of electronic timepieces.

Conclusion

Hiromasa Nakanishi's contributions to electronic watch technology demonstrate his innovative spirit and dedication to improving timekeeping devices. His patents reflect a commitment to enhancing the functionality and reliability of electronic timepieces, making him a significant figure in the industry.

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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