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Pioneer Electric Corporation

USPTO Granted Patents = 66

% Expired Patents = 3.0

Forward Citations = 1,026

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118 inventors (with patents filed for the assignee):

Kazuo Kuroda (5 out of 160 patents)

Yoshiaki Moriyama (5 out of 85 patents)

Hiroo Okamoto (3 out of 138 patents)

4. Satoshi Miyaguchi (3 out of 25 patents)

5. Ichiro Miyake (3 out of 11 patents)

6. Hideki Hayashi (3 out of 47 patents)

7. Shin-ichi Wakumura (3 out of 5 patents)

8. Shunichiro Sakamoto (3 out of 3 patents)

9. Toshio Suzuki (3 out of 73 patents)

10. Ayako Yoshida (2 out of 29 patents)

11. Atsushi Onoe (2 out of 43 patents)

12. Takao Sawabe (2 out of 113 patents)

13. Takao Arai (2 out of 123 patents)

14. Shoji Taniguchi (2 out of 72 patents)

15. Naoharu Yanagawa (2 out of 69 patents)

Core Competencies:

Optical Recording Medium

Data Signal Reproducing

Copy Protection Function

Optical Disc

Digital Signal

Information Record Medium

Plasma Display Panel

Noise Reduction Circuit

Battery Protecting System

Light Emitting Device

Magnetic Head Device

Disc Reproducing Apparatus

66 patents: Sort by Forward Citations

1. 7295762 - Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same (2007-11-13),

2. 6823371 - Computer for a reproducing medium (2004-11-23),

3. 6707774 - Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection function (2004-03-16),

4. 6690638 - Supporting mechanism for an optical disc reproducing apparatus having a sub-frame for suppressing vibration (2004-02-10),

5. 6633723 - Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection function (2003-10-14),

6. 6552988 - Apparatus for reproducing information recorded on recording medium while adjusting middle level of detected signal corresponding to the information (2003-04-22),

7. 6529718 - Receiver with a search circuit (2003-03-04),

8. 6385163 - Optical recording medium (2002-05-07),

9. 6369782 - Method for driving a plasma display panel (2002-04-09),

10. 6356523 - Apparatus for reproducing information recorded on optical disc (2002-03-12),

11. 6335713 - Drive apparatus which detects spatial charge voltage on charge storage light-emitting device and controls voltage and current based on the detection while drive current is blocked (2002-01-01),

12. 6310843 - Clock signal generating system (2001-10-30),

13. 6185164 - Disk reproducing apparatus (2001-02-06),

14. 6144625 - Optical disc discriminating system (2000-11-07),

15. 6088506 - Information record medium, apparatus for recording the same and (2000-07-11),

Company Overview

Pioneer Electric Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced optical recording systems. The company focuses on key technology areas such as optical recording mediums, data signal reproduction, and copy protection functions, contributing to the evolution of digital storage solutions. Additionally, Pioneer is involved in innovations related to optical discs, digital signals, and information recording mediums, as well as technologies for plasma display panels and noise reduction circuits, positioning itself as a leader in optical technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

66 Patents

#690 in Tokyo

#1,458 in Japan

#11,167 in the World

Pioneer Electric Corporation

Forward Citations = 1,026

118 inventors:

Kazuo Kuroda (5 out of 160 patents)

Yoshiaki Moriyama (5 out of 85 patents)

Hiroo Okamoto (3 out of 138 patents)

4. Satoshi Miyaguchi (3 out of 25 patents)

5. Ichiro Miyake (3 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pioneer Electric Corporation. Retrieved from https://idiyas.com/company/pioneer-electric

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

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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