Yokohama, Japan

Kazuyuki Inagaki

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Jvc Kenwood Corporation, Victor Company of Japan, Limited. Active years: 2008-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Inagaki. Retrieved from https://idiyas.com/inventor/kazuyuki-inagaki

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 = 2.6

ph-index = 3

Forward Citations = 43(Granted Patents)


Location History:

  • Ayase, JP (2008)
  • Yokohama, JP (2010 - 2022)

Company Filing History:


Years Active: 2008-2022

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9 patents (USPTO):Explore Patents

Title: Innovations of Kazuyuki Inagaki: Pioneer in Diaphragm and Speaker Technology

Introduction

Kazuyuki Inagaki, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of audio technology. With an impressive portfolio of 9 patents, his work has focused on developing innovative diaphragm designs that enhance sound quality and performance in speakers.

Latest Patents

Among his latest inventions are the dome type diaphragm, balanced dome diaphragm, and an advanced speaker system. The dome type diaphragm features a unique design comprising a first part with a distinct curvature and a second part with a different curvature, which is integrally formed with the first part. This innovation allows for high sound output in a high sound pressure range. Furthermore, his speaker design incorporates one or more holes in the first diaphragm, with a second diaphragm positioned on the sound-emitting side. A driver unit containing a magnetic circuit and voice coil vibrates both diaphragms, enhancing the auditory experience. Additionally, the second diaphragm includes a rigidity-reinforcing portion to strengthen the structure at specific points.

Career Highlights

Kazuyuki Inagaki has worked with renowned companies in the audio industry, including JVC Kenwood Corporation and Victor Company of Japan, Limited. His experiences at these organizations have likely influenced his inventive approach and leading-edge designs in sound technology.

Collaborations

Throughout his career, Inagaki has collaborated with other talented individuals in the field, such as Manabu Omoda and Jiro Nakaso. These partnerships have contributed to the successful development and realization of his innovative concepts.

Conclusion

Kazuyuki Inagaki stands out as a remarkable inventor in the domain of audio technology, with a focus on diaphragm and speaker innovations. Through his extensive patent portfolio, he continues to pave the way for advancements that significantly improve sound quality and listener experience. His ongoing contributions highlight the impact of inventive thinking in audio engineering.

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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