Hyogo, Japan

Ippei Kiyama

This inventor holds 4 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Panasonic Intellectual Property Management Co., Ltd.. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ippei Kiyama. Retrieved from https://idiyas.com/inventor/ippei-kiyama

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2019-2025

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ippei Kiyama

Introduction

Ippei Kiyama is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of audio technology, particularly in speaker design. With a total of 4 patents to his name, Kiyama continues to push the boundaries of sound quality and speaker performance.

Latest Patents

Kiyama's latest patents include innovative designs for speakers. One of his patents describes a speaker that features a diaphragm with a dome shape, a tubular member with an increasing inner diameter, and a phase plug. The phase plug is designed with a front surface larger than its rear surface, which enhances sound wave directionality. Another patent focuses on a loudspeaker device that improves sound quality through a unique loudspeaker housing and a helically shaped acoustic tube that connects the inside and outside of the housing.

Career Highlights

Ippei Kiyama is associated with Panasonic Intellectual Property Management Co., Ltd., where he applies his expertise in audio technology. His work has been instrumental in developing advanced speaker systems that cater to the evolving demands of sound quality.

Collaborations

Kiyama collaborates with talented individuals such as Kazuki Honda and Suemei Fukuhara. Their combined efforts contribute to the innovative projects at Panasonic, enhancing the company's reputation in the audio technology sector.

Conclusion

Ippei Kiyama's contributions to speaker technology exemplify his commitment to innovation and quality. His patents reflect a deep understanding of sound engineering, making him a valuable asset in the field of audio 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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