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For the Inventor, By the Inventor

Hiroshima, Japan

Mazda Motor Corporation


USPTO Granted Patents = 4,680



Trademarks = 96

Forward Citations = 43,211

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4,754 inventors (with patents filed for the assignee):

goldMedal Hiroshi Ohmura (68 out of 69 patents)

silverMedal Mitsuo Hitomi (64 out of 64 patents)

bronzeMedal Shinya Kamada (61 out of 63 patents)

4.  Atsushi Inoue (60 out of 64 patents)

5.  Daisuke Umetsu (60 out of 63 patents)

6.  Akihide Takami (59 out of 61 patents)

7.  Masanari Sueoka (48 out of 50 patents)

8.  Tatsuhiko Iwasaki (48 out of 49 patents)

9.  Nobuyuki Nakayama (46 out of 46 patents)

10.  Kazutoshi Nobumoto (44 out of 45 patents)

11.  Kota Matsumoto (42 out of 43 patents)

12.  Shin Takehara (42 out of 42 patents)

13.  Keiji Maruyama (41 out of 42 patents)

14.  Hiroshi Yamada (41 out of 42 patents)

15.  Toshiaki Tsuyama (41 out of 41 patents)


Core Competencies:
Motor Bearing System
Electric Vehicle Cooling System
Control Device for Electric Vehicle
Hybrid Vehicle System
Vehicle Body Structure
Battery Charging Control Device
Vehicle Differential
Driver State Determination Apparatus
Light-Weight Inverter Structure
Corrosion-Resistance Testing
Gear-Shifting Control Apparatus
Electric Drive Unit

4,680 patents:

1. 12500500 - Rotor, rotary electric machine, and vehicle (2025-12-16),
2. 12496869 - Vehicle-body structure with air conditioner (2025-12-16),
3. D1105531 - Rear light for a motor vehicle (2025-12-09),
4. D1105530 - Headlight for a motor vehicle (2025-12-09),
5. 12489334 - Motor bearing system (2025-12-02),
6. 12486894 - Shift lever (2025-12-02),
7. 12483102 - Rotor structure (2025-11-25),
8. 12470098 - Rotor structure of rotary electric machine (2025-11-11),
9. 12466486 - Front vehicle-body structure of vehicle (2025-11-11),
10. 12459573 - Vehicle side body structure (2025-11-04),
11. 12454173 - Electric vehicle cooling system (2025-10-28),
12. 12448050 - Lower vehicle-body structure of vehicle (2025-10-21),
13. D1097935 - Motor vehicle (2025-10-14),
14. 12441290 - Control device for a battery-powered vehicle (2025-10-14),
15. 12441147 - Suspension device for vehicle (2025-10-14),
Mazda Motor Corporation is a Japanese automaker headquartered in Hiroshima. Established in 1920, Mazda operates worldwide and produces a wide range of vehicles, including cars, SUVs, and trucks. Mazda is known for its innovative and stylish designs, advanced technology, and commitment to providing a thrilling driving experience. With a focus on sustainability, Mazda aims to create a better future through its vehicles and initiatives.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

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4,680 Patents

#1 in Hiroshima, 729-3431

#53 in Japan

#194 in the World

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Hiroshima, Japan

Mazda Motor Corporation

Forward Citations = 43,211

4,754 inventors:

goldMedal Hiroshi Ohmura (68 out of 69 patents)

silverMedal Mitsuo Hitomi (64 out of 64 patents)

bronzeMedal Shinya Kamada (61 out of 63 patents)

4.  Atsushi Inoue (60 out of 64 patents)

5.  Daisuke Umetsu (60 out of 63 patents)

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