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Pioneer Electronics Corporation

USPTO Granted Patents = 30

Forward Citations = 541

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58 inventors (with patents filed for the assignee):

Junichi Yoshio (6 out of 94 patents)

Akihiro Tozaki (4 out of 68 patents)

Takao Sawabe (3 out of 113 patents)

4. Yoshiaki Moriyama (3 out of 85 patents)

5. Kaoru Yamamoto (3 out of 82 patents)

6. Ryuichiro Yoshimura (3 out of 46 patents)

7. Kazuo Kuroda (2 out of 160 patents)

8. Naoharu Yanagawa (2 out of 69 patents)

9. Tadashi Suzuki (1 out of 123 patents)

10. Shinichi Ogura (1 out of 4 patents)

11. Junichi Imai (1 out of 15 patents)

12. Jun Honda (1 out of 15 patents)

13. Yoshinori Abe (1 out of 62 patents)

14. Kenichiro Yano (1 out of 16 patents)

15. Shoji Taniguchi (1 out of 72 patents)

Core Competencies:

Data Stream Conversion

Plasma Display Panel

Optical Disc Discrimination

Audio Pitch Coding

Digital Signal Recording

Optical Pickup

Dye Record Medium

Vehicle Navigation

High Definition Television

Loudspeaker Diaphragm

Signal Level Display

Video Game Apparatus

30 patents: Sort by Forward Citations

1. 6567409 - Data stream converting apparatus (2003-05-20),

2. 6376987 - AC-driving plasma display panel of surface-discharge type (2002-04-23),

3. 6370091 - Recording medium having multiple recording layers and method and apparatus for recording and reproducing information on the recording medium (2002-04-09),

4. 6335910 - Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movement (2002-01-01),

5. 6327234 - System for discriminating optical discs (2001-12-04),

6. 6307824 - Dye record medium, record disc producing apparatus, and information recording/reproducing apparatus (2001-10-23),

7. 6278675 - Waveform equalizer for use in a recorded information reproducing apparatus (2001-08-21),

8. 6222754 - Digital signal recording/reproducing method (2001-04-24),

9. 6219636 - Audio pitch coding method, apparatus, and program storage device calculating voicing and pitch of subframes of a frame (2001-04-17),

10. 6172957 - Optical pickup and multi-layer disc playback apparatus (2001-01-09),

11. 6160768 - Floating optical pickup and information recording and reproducing (2000-12-12),

12. 6148138 - Information record medium, apparatus for recording the same and (2000-11-14),

13. 6148037 - Sampling timing phase error detector for VSB modulation signal (2000-11-14),

14. 6127923 - Antitheft alarm system for a car having a car stereo (2000-10-03),

15. 6070122 - Vehicle navigation with priority target display (2000-05-30),

Pioneer Electronics Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced audio and visual equipment. The company is renowned for its innovative contributions to consumer electronics, particularly in the fields of home entertainment systems, car audio, and professional audio solutions. With a strong emphasis on research and development, Pioneer continually explores cutting-edge technologies to enhance user experiences across various platforms, reinforcing its position as a leader in the global electronics market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

30 Patents

#1,059 in Tokyo

#2,303 in Japan

#21,840 in the World

Pioneer Electronics Corporation

Forward Citations = 541

58 inventors:

Junichi Yoshio (6 out of 94 patents)

Akihiro Tozaki (4 out of 68 patents)

Takao Sawabe (3 out of 113 patents)

4. Yoshiaki Moriyama (3 out of 85 patents)

5. Kaoru Yamamoto (3 out of 82 patents)

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