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Pioneer Kabushiki Kaisha

USPTO Granted Patents = 75

Trademarks = 33

Forward Citations = 1,023

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32 inventors (with patents filed for the assignee):

Takekazu Iijima (16 out of 30 patents)

Junichi Tanaka (7 out of 179 patents)

Hideyuki Matsubara (7 out of 11 patents)

4. Koji Nakane (7 out of 17 patents)

5. Hideaki Ishizaki (6 out of 17 patents)

6. Hiroki Akaishi (6 out of 8 patents)

7. Mizuki Tomono (6 out of 6 patents)

8. Shuji Natori (5 out of 14 patents)

9. Tomohiko Kobayashi (4 out of 5 patents)

10. Yuki Iida (3 out of 14 patents)

11. Eiji Shintani (3 out of 33 patents)

12. Tomohisa Suzuki (3 out of 3 patents)

13. Manabu Kawachi (3 out of 9 patents)

14. Jun-ichi Yamamoto (2 out of 3 patents)

15. Noboru Keitoku (2 out of 7 patents)

Core Competencies:

Digital Audio Disk Player

Tuner

Amplifier

Loudspeaker

Audio Mixer

Digital Video Disk Player

Volume Adjuster

Acoustic Mixer

Loudspeaker Frame

Loudspeaker Grill

Speaker

75 patents: Sort by Forward Citations

1. D630612 - Digital audio disk player with tuner and amplifier (2011-01-11),

2. D630185 - Digital audio disk player with tuner and amplifier (2011-01-04),

3. D630184 - Digital audio disk player with tuner and amplifier (2011-01-04),

4. D626115 - Volume adjuster (2010-10-26),

5. D624560 - Digital audio disk player (2010-09-28),

6. D623626 - Digital audio disk player with built-in displaying tuner and amplifier (2010-09-14),

7. D620918 - Digital audio disk player with built-in displaying tuner and amplifier (2010-08-03),

8. D616410 - Digital audio disk player with mixing functions (2010-05-25),

9. D606095 - Digital audio disk player with tuner and amplifier (2009-12-15),

10. D601132 - Loudspeaker grill (2009-09-29),

11. D593544 - Audio mixer (2009-06-02),

12. D592208 - Controller for digital video disk player (2009-05-12),

13. D591729 - Loudspeaker (2009-05-05),

14. D588097 - Amplifier (2009-03-10),

15. D586308 - Digital video disk player (2009-02-10),

Pioneer Kabushiki Kaisha is a Japanese multinational corporation specializing in digital entertainment products. Founded in 1938, Pioneer is known for its innovation in audio and visual technology, including car electronics, home audio systems, and DJ equipment. The company's mission is to create products that enrich people's lives through high-quality sound and picture experiences.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

75 Patents

#564 in Tokyo

#1,323 in Japan

#9,734 in the World

Pioneer Kabushiki Kaisha

Forward Citations = 1,023

32 inventors:

Takekazu Iijima (16 out of 30 patents)

Junichi Tanaka (7 out of 179 patents)

Hideyuki Matsubara (7 out of 11 patents)

4. Koji Nakane (7 out of 17 patents)

5. Hideaki Ishizaki (6 out of 17 patents)

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