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For the Inventor, By the Inventor

Yokohama, Japan

Yasuhiro Riko

This inventor holds 5 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Other. Active years: 1977-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Riko. Retrieved from https://idiyas.com/inventor/yasuhiro-riko

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Yokohama, JP (2000 - 2002)
  • Midori-ku, Yokohama-shi, Kanagawa-ken JP (2002)
  • Yokohama-shi, Kanagawa JP (2004)

Company Filing History:

goldMedal2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal3 out of 834,513 
Other
 patents

Years Active: 1977-2004

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5 patents (USPTO):Explore Patents
1. 6731766 - Condenser microphone and production method thereof (2004-05-04),
2. 6449370 - Digital electro-acoustic transducer (2002-09-10),
3. 6442194 - Digital telephone transmitter/receiver (2002-08-27),
4. 6125189 - Electroacoustic transducer of digital type (2000-09-26),
5. 4015227 - Electromagnetic transducer (1977-03-29),

Title: Yasuhiro Riko: Innovator in Electro-Acoustic Technology

Introduction

Yasuhiro Riko is a notable inventor based in Yokohama-shi, Kanagawa, Japan. He has made significant contributions to the field of electro-acoustic technology, holding a total of 5 patents. His work focuses on enhancing sound quality and developing innovative audio devices.

Latest Patents

Among his latest patents is a condenser microphone and its production method. This condenser microphone features a conductive diaphragm with an earth electrode layer made of conductive light metal. It also includes a conductor fixed electrode positioned opposite the diaphragm through an air layer, along with an organic dielectric layer formed from an organic compound. Another significant patent is for a digital electro-acoustic transducer designed to improve speech quality in noisy environments. This device incorporates multiple sound generating units and a sound receiving unit within a soundproof housing, utilizing advanced feedback and modulation techniques.

Career Highlights

Yasuhiro Riko has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing cutting-edge audio technologies.

Collaborations

He has collaborated with notable individuals in the field, including Yoshinobu Yasuno and Kenzo Miura. Their joint efforts have further advanced the innovations in electro-acoustic devices.

Conclusion

Yasuhiro Riko's contributions to the field of electro-acoustic technology are noteworthy. His patents reflect a commitment to improving sound quality and developing innovative audio solutions.

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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