Hitachi, Japan

Masayoshi Hayakawa

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., The Tokyo Electric Power Company, Incorporated. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Hayakawa. Retrieved from https://idiyas.com/inventor/masayoshi-hayakawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.9

ph-index = 3

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1998-2001

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4 patents (USPTO):Explore Patents

Title: Masayoshi Hayakawa: Innovator in Insulated Switching Devices

Introduction

Masayoshi Hayakawa is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of insulated type switching devices. With a total of 4 patents to his name, Hayakawa's work has had a lasting impact on the industry.

Latest Patents

Hayakawa's latest patents include the "Insulated Type Switching Device" and the "Insulated Type Switchgear Device." The Insulated Type Switching Device allows for uninterrupted switching operations by enabling a movable conductor to rotate around a pivotal axis within a vacuum vessel. This design facilitates easier operation and handling while reducing the overall size of the device. The Insulated Type Switchgear Device features a pair of arc electrodes that are designed to separate through the rotation of a movable conductor. This innovative structure improves circuit breaking performance and minimizes the potential offsetting of arc electrodes during operation.

Career Highlights

Throughout his career, Hayakawa has worked with prominent companies such as Hitachi, Ltd. and The Tokyo Electric Power Company, Incorporated. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in electrical engineering.

Collaborations

Hayakawa has collaborated with notable coworkers, including Tooru Tanimizu and Fumio Shibata. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies in the field.

Conclusion

Masayoshi Hayakawa's contributions to insulated switching devices exemplify his dedication to innovation in electrical engineering. His patents reflect a commitment to improving technology and enhancing performance 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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