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For the Inventor, By the Inventor

Saitama, Japan

Yoshiro Kunugi

This inventor holds 12 USPTO granted patents. Top assignee: Pioneer Electronic Corporation. Active years: 1982-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiro Kunugi. Retrieved from https://idiyas.com/inventor/yoshiro-kunugi

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 9

Forward Citations = 253(Granted Patents)


Location History:

  • Kawagoe, JP (1982)
  • Saitama, JP (1983 - 1990)

Company Filing History:

goldMedal12 out of 2,861 
 
Pioneer Electronic Corporation
 patents

Years Active: 1982-1990

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12 patents (USPTO):Explore Patents
1. 4980914 - Sound field correction system (1990-12-25),
2. 4868878 - Sound field correction system (1989-09-19),
3. 4739513 - Method and apparatus for measuring and correcting acoustic (1988-04-19),
4. 4694498 - Automatic sound field correcting system (1987-09-15),
5. 4688258 - Automatic graphic equalizer (1987-08-18),
6. 4648117 - Mobile sound field correcting device (1987-03-03),
7. 4644292 - Automatic gain and frequency characteristic control unit in audio device (1987-02-17),
8. 4637049 - Car-mounted audio system (1987-01-13),
9. 4622691 - Mobile sound field correcting device (1986-11-11),
10. 4418323 - Oscillator having capacitor charged and discharged by current mirror (1983-11-29),
11. 4415862 - Pulse width modulation amplifier (1983-11-15),
12. 4348616 - Preset lighting device (1982-09-07),

Title: Yoshiro Kunugi: Innovator in Sound Field Correction Technology

Introduction

Yoshiro Kunugi is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of acoustic technology, holding a total of 12 patents. His work focuses on enhancing sound reproduction systems, making them more effective and accurate.

Latest Patents

Among his latest innovations is a sound field correction system designed to address multipath frequency-characteristic distortion in acoustic reproducing systems. This system adjusts the level and delay of an original signal, superposing it on the original to create a signal that, when reproduced by a loudspeaker, results in a sound pattern at a listening point with a flat frequency characteristic. The delay adjustment is based on the difference in travel distances of direct and reflected sound waves to the listening point, ensuring a more precise auditory experience.

Career Highlights

Yoshiro Kunugi is currently employed at Pioneer Electronic Corporation, a company known for its advancements in audio and visual technology. His work at Pioneer has allowed him to develop innovative solutions that enhance sound quality and user experience.

Collaborations

Throughout his career, Kunugi has collaborated with notable colleagues, including Akio Tokumo and Toshikazu Yoshimi. These partnerships have contributed to the development of cutting-edge technologies in the field of sound reproduction.

Conclusion

Yoshiro Kunugi's contributions to sound field correction technology exemplify his dedication to innovation in acoustic systems. His patents reflect a commitment to improving sound quality, making him a significant figure in the industry.

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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