Tokyo, Japan

Hisashi Muroga

This inventor holds 3 USPTO granted patents. Top assignees: Gakken Co., Ltd., Gakken Co., Ltd. Kabushiki Kaisha Gakushu Kenkyusha, Kabushiki Kaisha Gakushu Kenkyusha. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Muroga. Retrieved from https://idiyas.com/inventor/hisashi-muroga

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 = 2.3

ph-index = 3

Forward Citations = 64(Granted Patents)


Company Filing History:


Years Active: 1978-1996

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3 patents (USPTO):Explore Patents

Title: Hisashi Muroga: Innovator in Electric Motor Technology

Introduction

Hisashi Muroga is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric motor technology, holding three patents to his name. His work focuses on improving the efficiency and functionality of small electric motors, which are essential in various applications.

Latest Patents

Muroga's latest patents include an innovative ink container for printers and advancements in miniature electric motors. One of his key inventions is an improved small electric motor designed for use as a power source for toys, small electric instruments, and portable electric devices. This motor features a rotary shaft equipped with a commutator that is positioned in a way that simplifies assembly and allows for adjustable positioning. Additionally, the design standardizes the magnet case and enhances the overall performance of the small motor.

Career Highlights

Throughout his career, Muroga has worked with prominent companies such as Kabushiki Kaisha Gakushu Kenkyusha and Gakken Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative technologies in the field of electric motors.

Collaborations

Muroga has collaborated with notable individuals in the industry, including Ichiro Noguchi and Kouichi Sakurai. These partnerships have fostered a creative environment that has led to the advancement of electric motor technology.

Conclusion

Hisashi Muroga's contributions to the field of electric motors demonstrate his commitment to innovation and improvement. His patents reflect a deep understanding of engineering principles and a desire to enhance the functionality of everyday devices. His work continues to influence the industry and inspire future inventors.

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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