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Pioneer Electronic Corporation

USPTO Granted Patents = 2,861

% Expired Patents = 1.3

CIPO Patents = 2

EPO Patents = 17

Forward Citations = 44,146

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1,829 inventors (with patents filed for the assignee):

Junichi Yoshio (80 out of 94 patents)

Fumio Matsui (71 out of 77 patents)

Yoshiaki Moriyama (61 out of 85 patents)

4. Takao Sawabe (55 out of 113 patents)

5. Kazuo Kuroda (55 out of 160 patents)

6. Kaoru Yamamoto (52 out of 82 patents)

7. Fumihiko Yokogawa (49 out of 52 patents)

8. Akihiro Tozaki (48 out of 68 patents)

9. Hidehiro Ishii (44 out of 58 patents)

10. Kiyofumi Chikuma (43 out of 65 patents)

11. Takanori Maeda (42 out of 90 patents)

12. Kiyoshi Tateishi (39 out of 88 patents)

13. Yuji Ikedo (38 out of 41 patents)

14. Toshiyuki Kimura (36 out of 36 patents)

15. Ryuichiro Yoshimura (35 out of 46 patents)

Core Competencies:

Writable Optical Discs

Data Reproduction

Digital Data Transmission

Audio Signal Processing

Information Storage Medium

Noise Reduction

Light Emission Display

Video Signal Processing

Tracking Control

Recording Apparatus

Optical Pickup

Data Recording Method

2,861 patents: Sort by Forward Citations

1. RE43056 - Super resolution information reproduction by tracking address information in normal resolution (2012-01-02),

2. RE42506 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2011-06-27),

3. 7840117 - Information recording medium, apparatus for recording the same and apparatus for reproducing the same (2010-11-23),

4. RE41735 - Writable optical disc having a plurality of chapters each having recording area, management area and partition area provided therein (2010-09-20),

5. RE41688 - Method of recording information on a writable optical disc and a system thereof (2010-09-13),

6. 7783158 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2010-08-24),

7. RE41430 - Rotation control apparatus operating with a sync signal having variable intervals (2010-07-12),

8. 7702214 - Information storage medium and apparatus for reproducing the same (2010-04-20),

9. 7561204 - Method for interpolating between scanning lines of a video signal (2009-07-14),

10. 7555202 - Digital dat recording/reproducing apparatus (2009-06-30),

11. 7548275 - Method for interpolating a video signal (2009-06-16),

12. 7398010 - Information record medium, apparatus for recording the same and apparatus for reproducing the same (2008-07-08),

13. 7386602 - Computer for a reproducing medium (2008-06-10),

14. RE40312 - Digital data transmitting method (2008-05-12),

15. 7370088 - Computer for a reproducing medium (2008-05-06),

Pioneer Electronic Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced information recording technologies. The company is recognized for its innovations in writable optical discs and data reproduction systems, enhancing digital data transmission and audio signal processing. Pioneer's expertise extends to information storage mediums, noise reduction technologies, and light emission displays, positioning it as a leader in video signal processing and related fields within the electronics industry.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Pioneer Electronic Corporation

2,861 Patents

#44 in Tokyo

#87 in Japan

#335 in the World

Pioneer Electronic Corporation

Forward Citations = 44,146

1,829 inventors:

Junichi Yoshio (80 out of 94 patents)

Fumio Matsui (71 out of 77 patents)

Yoshiaki Moriyama (61 out of 85 patents)

4. Takao Sawabe (55 out of 113 patents)

5. Kazuo Kuroda (55 out of 160 patents)

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