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For the Inventor, By the Inventor

Ichikawa, Japan

Yoshihisa Tsuchimochi

This inventor holds 10 USPTO granted patents. Top assignee: Mabuchi Motor Co., Ltd.. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Tsuchimochi. Retrieved from https://idiyas.com/inventor/yoshihisa-tsuchimochi

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 186(Granted Patents)


Location History:

  • Ichikawa, JA (1976 - 1977)
  • Tokyo, JA (1977)
  • Tokyo, JP (1979)

Company Filing History:

goldMedal10 out of 264 
 
Mabuchi Motor Co., Ltd.
 patents

Years Active: 1976-1979

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10 patents (USPTO):Explore Patents
1. 4160253 - Radio controlled, battery-operated model toy (1979-07-03),
2. 4050487 - Electric sharpener (1977-09-27),
3. 4022074 - Cooling device (1977-05-10),
4. 4020245 - Cell adapter (1977-04-26),
5. 4005320 - Battery-powered electric motor assembly (1977-01-25),
6. 3985322 - Electric motor mounting fixture (1976-10-12),
7. 3959706 - Charger (1976-05-25),
8. 3956019 - Battery cassette power source device (1976-05-11),
9. 3947743 - Electric charger (1976-03-30),
10. 3935909 - Electric hand tool (1976-02-03),

Title: Innovations of Yoshihisa Tsuchimochi

Introduction

Yoshihisa Tsuchimochi is a notable inventor based in Ichikawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of innovative toys and tools. With a total of 10 patents to his name, Tsuchimochi has demonstrated a commitment to advancing technology and enhancing user experience.

Latest Patents

Among his latest inventions is a radio-controlled, battery-operated model toy. This toy features an electric motor, a battery device for energy supply, a radio control receiver, and a servo mechanism. A unique aspect of this invention is the inclusion of a voltage-responsive automatic circuit breaker that opens the electric circuit of the motor in response to a voltage drop in the battery. Additionally, a voltage regulator and noise filter are integrated between the battery device and the radio control receiver. Another notable invention is an electric sharpener, which is powered by a self-contained battery. This sharpener's motor and reduction means are housed in an inner case that moves relative to an outer case. The electrical connection between the battery and the motor is controlled by the movement of the inner case when a pencil is inserted.

Career Highlights

Tsuchimochi has spent a significant portion of his career at Mabuchi Motor Co., Ltd., where he has been able to apply his innovative ideas. His work has not only contributed to the company's success but has also influenced the industry as a whole.

Collaborations

Throughout his career, Tsuchimochi has collaborated with talented individuals such as Kenichi Mabuchi and Koziro Komatsu. These collaborations have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Yoshihisa Tsuchimochi's contributions to innovation in the fields of toys and tools are commendable. His patents reflect a deep understanding of technology and user needs. His work continues to inspire future inventors and engineers.

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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