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For the Inventor, By the Inventor

Tokyo, Japan

Pioneer Corporation


USPTO Granted Patents = 2,676

% Expired Patents = 54.8



Trademarks = 21

Forward Citations = 16,241

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1,705 inventors (with patents filed for the assignee):

goldMedal Masahiro Kato (122 out of 192 patents)

silverMedal Kazuo Kuroda (89 out of 160 patents)

bronzeMedal Takeshi Koda (88 out of 89 patents)

4.  Eiji Muramatsu (74 out of 101 patents)

5.  Masayoshi Yoshida (61 out of 81 patents)

6.  Takao Sawabe (51 out of 113 patents)

7.  Shoji Taniguchi (50 out of 72 patents)

8.  Masakazu Ogasawara (47 out of 56 patents)

9.  Takanori Maeda (47 out of 90 patents)

10.  Tohru Kanegae (43 out of 43 patents)

11.  Masanori Nakahara (43 out of 45 patents)

12.  Kiyoshi Tateishi (42 out of 88 patents)

13.  Yoshio Sasaki (38 out of 39 patents)

14.  Keiji Katata (37 out of 37 patents)

15.  Nobuyuki Takakuwa (36 out of 37 patents)


Core Competencies:
Information Processing
Audio Output
Sensor Device
Light Emitting
Vibration Control
Vehicle Lighting
Measurement Device
Digital Audio Player
Notification Apparatus
Autonomous Driving
Image Display
Speaker Device

2,676 patents:

1. 12730223 - Estimation apparatus, estimation system, estimation method, and non-transitory storage medium (2026-09-08),
2. 12725627 - Information processing apparatus, information processing method, program and recording medium (2026-09-01),
3. 12718590 - Information processing device (2026-08-25),
4. 12717001 - Sensor device (2026-08-25),
5. 12716724 - Information processing device, control method, program, and storage medium (2026-08-25),
6. 12704598 - Information processing device, information processing method, program, and recording medium (2026-08-11),
7. 12700397 - Sound output control device, sound output control method, and sound output control program (2026-08-04),
8. 12687385 - Information processing apparatus, information processing method, and non-transitory storage medium (2026-07-21),
9. 12674678 - Image control program, image control device, and image control method (2026-07-07),
10. 12645068 - Actuator (2026-06-02),
11. 12631870 - Actuator with a mirror provided with a permanent magnet (2026-05-19),
12. 12630269 - Information processing device, control method, program, and storage medium (2026-05-19),
13. 12615302 - Information processing apparatus, information processing method, information processing program, and storage medium (2026-04-28),
14. 12602979 - Information processing device (2026-04-14),
15. 12601606 - Audio output device, audio output method, program and storage medium (2026-04-14),
Pioneer Corporation is a global company specializing in audio and video products. With a rich history dating back to 1938, Pioneer has been a pioneer in introducing innovative products and technologies to enhance the entertainment experience. Through its extensive range of products, including car electronics, home audio systems, DJ equipment, and headphones, Pioneer aims to provide customers with quality audiovisual solutions. With a commitment to excellence and continuous innovation, Pioneer has established itself as a respected brand in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Pioneer Corporation
2,676 Patents

#47 in Tokyo

#92 in Japan

#356 in the World

Tokyo, JP
Tokyo, Japan

Pioneer Corporation

Forward Citations = 16,241

1,705 inventors:

goldMedal Masahiro Kato (122 out of 192 patents)

silverMedal Kazuo Kuroda (89 out of 160 patents)

bronzeMedal Takeshi Koda (88 out of 89 patents)

4.  Eiji Muramatsu (74 out of 101 patents)

5.  Masayoshi Yoshida (61 out of 81 patents)

Please report any incorrect information to [email protected]
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