Akishima, Japan

Hidetoshi Shirakawa

This inventor holds 4 USPTO granted patents. Top assignee: Foster Electric Company, Limited. Active years: 1994-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetoshi Shirakawa. Retrieved from https://idiyas.com/inventor/hidetoshi-shirakawa

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 = 1.5

ph-index = 3

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 1994-2004

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4 patents (USPTO):Explore Patents

Title: Hidetoshi Shirakawa: Innovator in Loudspeaker Technology

Introduction

Hidetoshi Shirakawa is a prominent inventor based in Akishima, Japan. He has made significant contributions to the field of audio technology, particularly in loudspeaker design. With a total of four patents to his name, Shirakawa's innovations have advanced the capabilities of sound reproduction.

Latest Patents

One of his latest patents is for a track-shaped loudspeaker. This innovative design features an elongated oval diaphragm that allows for improved sound quality. The diaphragm is supported by a specially designed damper, ensuring optimal performance without magnetic saturation. Another notable patent is for a loudspeaker unit and system that utilizes a dual magnetic gap configuration. This design enhances the vibratory system, allowing for more precise sound reproduction.

Career Highlights

Hidetoshi Shirakawa is currently employed at Foster Electric Company, Limited, where he continues to develop cutting-edge audio technologies. His work has been instrumental in pushing the boundaries of what is possible in loudspeaker design.

Collaborations

Shirakawa has collaborated with notable coworkers such as Rintaro Kohara and Takeshi Yoshimura. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Hidetoshi Shirakawa's innovative work in loudspeaker technology has made a lasting impact on the audio industry. His patents reflect a commitment to enhancing sound quality and performance.

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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