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For the Inventor, By the Inventor

Saitama, Japan

Masayuki Yoshida

This inventor holds 8 USPTO granted patents. Top assignee: Pioneer Electronic Corporation. Active years: 1986-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Yoshida. Retrieved from https://idiyas.com/inventor/masayuki-yoshida-i2dlh7yd

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Saitama, JP (1986 - 1990)
  • Tokorozawa, JP (1986 - 1991)

Company Filing History:

goldMedal8 out of 2,861 
 
Pioneer Electronic Corporation
 patents

Years Active: 1986-1991

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8 patents (USPTO):Explore Patents
1. 5067119 - Recording medium playing apparatus with automatic tonal response setting (1991-11-19),
2. 4899331 - Random reproducing system for disk player (1990-02-06),
3. 4761692 - Method and apparatus for data recording disc playback (1988-08-02),
4. 4642812 - Sound field enlarging device and method (1987-02-10),
5. 4639660 - Switching circuit for a power supply in a signal processing apparatus (1987-01-27),
6. 4616271 - Digital audio system with automatic fade in and fade out operations (1986-10-07),
7. 4603410 - Error signal generating device for use in an apparatus for optically (1986-07-29),
8. 4600915 - Digital-to-analog converter circuit (1986-07-15),

Title: Masayuki Yoshida: Innovator in Audio Technology

Introduction

Masayuki Yoshida is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of audio technology, holding a total of 8 patents. His work focuses on enhancing the user experience in audio playback systems.

Latest Patents

Yoshida's latest patents include a recording medium playing apparatus with automatic tonal response setting. This innovative device features a tonal response control circuit that adjusts the tone of reproduced sounds by managing signal levels across various frequency bands. The apparatus is equipped with a memory device that stores tone data corresponding to different recording media, allowing for automatic tonal adjustments based on the type of music being played. Another notable patent is a random reproducing system for disk players, which enables random selection of disks or pieces upon powering on the device. This system enhances user engagement by providing a unique listening experience each time the player is activated.

Career Highlights

Masayuki Yoshida is currently employed at Pioneer Electronic Corporation, a leading company in the audio and electronics industry. His work at Pioneer has allowed him to develop cutting-edge technologies that improve audio playback and user interaction.

Collaborations

Yoshida has collaborated with notable colleagues, including Junichi Yoshio and Kenichiro Yasukawa. These partnerships have contributed to the advancement of innovative audio solutions.

Conclusion

Masayuki Yoshida's contributions to audio technology through his patents and work at Pioneer Electronic Corporation highlight his role as a key innovator in the industry. His inventions continue to shape the way we experience sound.

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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