Yoshio Aoyagi

This inventor holds 33 USPTO granted patents, primarily in Audio Playback Technology. Top assignee: Pioneer Electronic Corporation. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Aoyagi. Retrieved from https://idiyas.com/inventor/yoshio-aoyagi

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

USPTO Granted Patents = 33

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 11

Forward Citations = 307(Granted Patents)

Location History:

Saitama, JP (1986 - 1995)
Kawagoe, JP (1988 - 1996)

Company Filing History:

33 out of 2,861

Pioneer Electronic Corporation

patents

Years Active: 1986-1996

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Areas of Expertise:

Audio Equipment

Disk Player

CD Playback

Control System

Reproduction Method

Electronic Device

Random Play

Information Reproduction

Automatic Loading

Tracking Control

Polling System

Pulse-Width Modulation

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5554966 - Car-stereo with removable control panel, alarm, and power conservation (1996-09-10),

2. 5515351 - Method and apparatus for executing a CD playback setup operation in a CD (1996-05-07),

3. 5508988 - Method and apparatus for reproducing information from a partially (1996-04-16),

4. 5475516 - Alphanumeric symbol formed by a 3.times.5 matrix with two longitudinally (1995-12-12),

5. 5471441 - CD player capable of playing back partially recorded CD (1995-11-28),

6. 5430698 - CD playing apparatus (1995-07-04),

7. 5414684 - Method and apparatus for discriminating type of disks positioned on a CD (1995-05-09),

8. 5394384 - Reproducing method for excluding undesirable tunes by operating a single (1995-02-28),

9. 5359230 - On-vehicle electronic device (1994-10-25),

10. 5202585 - Electronic device including improved connection device (1993-04-13),

11. 5173887 - Disk player pickup control system (1992-12-22),

12. 5138600 - Information reproduction apparatus having a display including dual (1992-08-11),

13. 5109365 - Record information reproducing method with content identifiers (1992-04-28),

14. 5105401 - Reproduction system for selecting recorded information based on preview (1992-04-14),

15. 5042025 - Rotation control system for disk player (1991-08-20),

Title: **Yoshio Aoyagi: Innovator in Audio Technology**

Introduction

Yoshio Aoyagi, an esteemed inventor based in Saitama, Japan, has made significant contributions to the field of audio technology. With an impressive portfolio that includes 33 patents, Aoyagi has been at the forefront of innovations that enhance consumer electronics, particularly in car audio systems.

Latest Patents

Aoyagi's latest innovations include a **Car-stereo with removable control panel, alarm, and power conservation**. This advanced audio apparatus features a detachable control panel linked to a microcomputer that detects the OFF state of the ignition key, allowing for low power consumption while maintaining crucial memory functions. Additionally, the system generates an alarm sound to alert users when necessary, providing a blend of convenience and safety.

Another notable invention is the **Method and apparatus for executing a CD playback setup operation in a CD player**. This patent outlines a CD player capable of effectively handling partially recorded CD-Rs, ensuring proper setup and playback. It highlights the player's innovative approach to performing setup operations starting from the innermost periphery and adjusting if the setup is incomplete, showcasing Aoyagi's commitment to enhancing user experience through technology.

Career Highlights

Yoshio Aoyagi is currently employed at Pioneer Electronic Corporation, a leader in the audio and electronics industry. His work at Pioneer has been pivotal in developing cutting-edge audio solutions, solidifying the company's reputation as an innovator in consumer electronics.

Collaborations

Throughout his career, Aoyagi has worked alongside talented individuals such as Toshiyuki Kimura and Hiroyuki Abe. These collaborations have likely contributed to a dynamic environment for innovation and the successful development of numerous audio products.

Conclusion

Yoshio Aoyagi's impactful work in the audio technology sector exemplifies the spirit of innovation. His contributions through various patents underscore his role in shaping the future of audio devices, making him a significant figure in the field of consumer electronics. As technology continues to evolve, Aoyagi's inventions will undoubtedly pave the way for further advancements in sound and user experience.

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]