Matsudo, Japan

Masaaki Ikawa

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Mabuchi Motor Co., Ltd.. Active years: 1988-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Ikawa. Retrieved from https://idiyas.com/inventor/masaaki-ikawa

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Chiba, JP (1988)
  • Matsudo, JP (2004)

Company Filing History:


Years Active: 1988-2004

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2 patents (USPTO):Explore Patents

Title: Masaaki Ikawa: Innovator in Miniature Motor Technology

Introduction

Masaaki Ikawa is a notable inventor based in Matsudo, Japan. He has made significant contributions to the field of miniature motor technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

Ikawa's latest patents include an encoder apparatus integrated with a small-size motor. This invention provides a mechanical encoder device for use in a miniature motor, capable of generating a plurality of pulses for each revolution of the motor, with a duty ratio that remains constant over time. The design features a rotary contact portion on the rotor shaft and rotation-detecting brushes that maintain sliding contact with this portion. This innovative approach allows for precise pulse generation as the rotor shaft completes each revolution.

Another significant patent is for a miniature motor with a spark-quenching connection between the commutator and commutator terminals. This design incorporates a disc-shaped electrically conductive rubber ring that connects the commutator segments to the rotor windings. The ring is designed to ensure intimate contact with the commutator terminals, effectively quenching sparks during operation and enhancing the motor's reliability.

Career Highlights

Masaaki Ikawa is currently employed at Mabuchi Motor Co., Ltd., a company renowned for its advancements in motor technology. His work at Mabuchi has allowed him to focus on developing innovative solutions that improve the performance and efficiency of miniature motors.

Collaborations

Ikawa has collaborated with notable coworkers such as Hisashi Ogino and Wataru Sakurai. Their combined expertise has contributed to the successful development of cutting-edge technologies in the field of miniature motors.

Conclusion

Masaaki Ikawa's contributions to miniature motor technology through his patents and work at Mabuchi Motor Co., Ltd. highlight his role as an influential inventor in this specialized field. His innovative designs continue to push the boundaries of what is possible in motor technology.

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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