Kanagawa, Japan

Kiyofumi Inanaga

This inventor holds 26 USPTO granted patents and 1 EPO patent, primarily in Audio Processing. Top assignee: Sony Corporation. Active years: 1979-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyofumi Inanaga. Retrieved from https://idiyas.com/inventor/kiyofumi-inanaga

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 = 2.3

ph-index = 16

Forward Citations = 689(Granted Patents)


Location History:

  • Tokyo, JP (1979)
  • Kitashinagawa, JP (1996)
  • Kanagawa, JP (1991 - 2009)

Company Filing History:


Years Active: 1979-2009

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Areas of Expertise:
Audio Processing
Reproducing Systems
Headphone Technology
Signal Processing
Digital Filters
Infrared Transmission
Vibration Type Gyroscope
Hearing Aids
Induction Speakers
Acoustic Signal
26 patents (USPTO):Explore Patents

Title: Kiyofumi Inanaga - Innovator in Audio Processing Technology

Introduction

Kiyofumi Inanaga is a notable inventor based in Kanagawa, Japan, recognized for his significant contributions to audio processing technologies. With an impressive portfolio of 26 patents, Inanaga has made substantial advancements in how audio signals are processed and reproduced.

Latest Patents

Two of Inanaga's latest patents showcase his expertise in audio technology. The first patent, titled "Audio Processing Apparatus," focuses on a system that transforms n-channel audio signals from sound sources into two-channel outputs. This system includes means for correcting the differences in hearing perception that arise from variances in headphone characteristics, ensuring a refined audio experience for users.

The second patent, named "Audio Reproducing Apparatus," describes a distributing circuit that effectively manages audio signals across predetermined channels. This innovative apparatus incorporates a first signal processing circuit for parallel processing of audio signals, enabling sound image localization at specified positions through multiple speakers. Additionally, a second signal processing circuit is dedicated to converting audio outputs for headsets, further enhancing the listening experience.

Career Highlights

Kiyofumi Inanaga currently works at Sony Corporation, a global leader in technology and entertainment. His role in the company involves pioneering audio processing solutions that have the potential to reshape the way sound is experienced across various platforms.

Collaborations

Throughout his career, Inanaga has collaborated with esteemed colleagues, including Yuji Yamada and Hiroyuki Sogawa. Their shared expertise and innovative approaches have led to the development of cutting-edge audio technologies that continue to push the boundaries of the industry.

Conclusion

Kiyofumi Inanaga stands out as a prominent figure in the realm of audio processing invention. With 26 patents to his name and a commitment to enhancing audio technology, Inanaga's work exemplifies the spirit of innovation at Sony Corporation. His contributions are not only significant in technical terms but also play a vital role in shaping the future of audio experiences for consumers worldwide.

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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