Kosai, Japan

Kohei Hirukawa

This inventor holds 2 USPTO granted patents. Top assignee: Fuji Electrochemical Co., Ltd.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Hirukawa. Retrieved from https://idiyas.com/inventor/kohei-hirukawa

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 = 4.8

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1983

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2 patents (USPTO):Explore Patents

Title: Kohei Hirukawa: Innovator in Piezoelectric Technology

Introduction

Kohei Hirukawa is a notable inventor based in Kosai, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 2 patents. His work focuses on developing innovative devices that utilize piezoelectric principles for various applications.

Latest Patents

Hirukawa's latest patents include a Piezoelectric Audible Sound Generator and an H-Type Ceramic Resonator. The Piezoelectric Audible Sound Generator features a feedback type piezoelectric transducer, an amplifier, and a phase compensator designed to adjust the phase shift caused by the combination of the amplifier's bias resistance and the equivalent capacitance of the piezoelectric transducer. The H-Type Ceramic Resonator consists of two resonating leaves and a connecting leaf that bridges them to form an H-shape. This resonator is designed with specific dimensional relationships to optimize its performance.

Career Highlights

Hirukawa is currently employed at Fuji Electrochemical Co., Ltd., where he continues to innovate and develop new technologies. His work has garnered attention in the field, contributing to advancements in electronic components and sound generation.

Collaborations

Some of his notable coworkers include Michihiro Torii and Hiroshi Urata, who collaborate with him on various projects within the company.

Conclusion

Kohei Hirukawa's contributions to piezoelectric technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to creating practical solutions that enhance electronic devices.

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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