Kanagawa, Japan

Kazunobu Ohkuri

This inventor holds 21 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Audio Signal Processing. Top assignee: Sony Corporation. Active years: 2003-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunobu Ohkuri. Retrieved from https://idiyas.com/inventor/kazunobu-ohkuri

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

USPTO Granted Patents = 21 

% Patents Active = 42.9

 

Average Co-Inventor Count = 2.4

ph-index = 7

Forward Citations = 136(Granted Patents)


Company Filing History:


Years Active: 2003-2017

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Areas of Expertise:
Noise Reduction
Audio Reproducing
Signal Processing
Audio Amplifier
Bass Enhancement
D/A Converter
Power Amplification
Delta-Sigma Modulation
Sampling Frequency Conversion
Digital Power Amplifier
Class-D Amplifier
Audio Processing
21 patents (USPTO):Explore Patents

Title: Kazunobu Ohkuri: Innovator in Noise Reduction Technologies

Introduction

Kazunobu Ohkuri is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to audio technology. With a total of 21 patents to his name, he has established himself as a key figure in the field of noise reduction audio devices.

Latest Patents

Among his latest innovations is a groundbreaking noise reduction audio reproducing device and method. This invention includes a comprehensive process that generates an audio signal for noise cancellation derived from collected noise. The audio signal is then acoustically synthesized with the existing noise, allowing for a clearer listening experience. Key steps of the method involve emphasizing specific audio components, creating a synthesized signal for an electro-acoustic converting unit, and controlling the audio output based on a designated control signal. This innovative approach addresses the challenges of background noise, ultimately enhancing sound quality for users.

Career Highlights

Kazunobu Ohkuri has spent a significant portion of his career at Sony Corporation, a leading name in electronics and audio technology. His work has not only contributed to improving consumer audio products but has also paved the way for advancements in noise reduction technologies.

Collaborations

Throughout his career, Ohkuri has collaborated with notable colleagues, including Toshihiko Masuda and Taro Nakagami. Their joint efforts have led to refined inventions and an environment of shared innovation within Sony Corporation.

Conclusion

Kazunobu Ohkuri's work exemplifies the spirit of innovation in the modern age. His contributions, particularly in noise reduction audio technology, not only highlight his ingenuity but also enhance the listening experiences of consumers worldwide. As he continues his journey in the world of inventions, the impact of his work will likely resonate for years to come.

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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