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For the Inventor, By the Inventor

Kanagawa, Japan

Takayoshi Kawaguchi

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignee: Sony Corporation. Active years: 2010-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayoshi Kawaguchi. Retrieved from https://idiyas.com/inventor/takayoshi-kawaguchi

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

USPTO Granted Patents = 8 

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:

goldMedal8 out of 58,145 
 
Sony Corporation
 patents

Years Active: 2010-2014

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8 patents (USPTO):Explore Patents
1. 8913737 - Echo canceller and microphone apparatus (2014-12-16),
2. 8547452 - Image processing apparatus, image processing method, and image processing program (2013-10-01),
3. 8259157 - Teleconference terminal apparatus and image transmitting method (2012-09-04),
4. 8218089 - Video signal processing apparatus, video signal processing method, and program (2012-07-10),
5. 8160239 - Echo canceller and speech processing apparatus (2012-04-17),
6. 8098843 - Sound source direction detecting apparatus, sound source direction detecting method, and sound source direction detecting camera (2012-01-17),
7. 8044990 - Camera controller and teleconferencing system (2011-10-25),
8. 7804965 - Microphone system and microphone apparatus (2010-09-28),

Title: The Innovations of Takayoshi Kawaguchi

Introduction

Takayoshi Kawaguchi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the fields of audio processing and image technology. With a total of 8 patents to his name, Kawaguchi's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is an echo canceller and microphone apparatus. This innovative device executes adaptive processing to cancel echo components mixed with audio input signals. It features a volume ratio learner that computes the volume ratio between an audio output signal and the audio input signal mixed with an echo component. Additionally, it includes a double-talk detector that identifies double-talk status based on the computed volume ratio. The echo cancel processor then controls the learning operation of the echo component for adaptive processing.

Another notable patent is an image processing apparatus, method, and program. This apparatus consists of a pixel array section where unit pixels with photoelectric conversion elements are arranged in a matrix. The signal processing section determines signal levels based on accumulated electric charges in the unit pixels during various exposure periods. This technology enhances image quality and processing efficiency.

Career Highlights

Kawaguchi is currently employed at Sony Corporation, a leading company in technology and entertainment. His work at Sony has allowed him to develop cutting-edge technologies that are widely used in consumer electronics.

Collaborations

Throughout his career, Kawaguchi has collaborated with talented individuals such as Yohei Sakuraba and Hiroyuki Yasui. These collaborations have fostered innovation and creativity in their respective projects.

Conclusion

Takayoshi Kawaguchi's contributions to audio and image processing technologies demonstrate his expertise and commitment to innovation. His patents reflect a deep understanding of complex systems and a drive to improve user experiences.

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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