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For the Inventor, By the Inventor

Hitachinaka, Japan

Hitachi Automotive Systems, Ltd.


USPTO Granted Patents = 2,028



Trademarks = 6

Forward Citations = 5,350

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2,088 inventors (with patents filed for the assignee):

goldMedal Keiji Hanzawa (74 out of 115 patents)

silverMedal Shinobu Tashiro (61 out of 63 patents)

bronzeMedal Takeshi Morino (48 out of 68 patents)

4.  Noboru Tokuyasu (43 out of 92 patents)

5.  Masahiro Matsumoto (42 out of 142 patents)

6.  Hiroshi Nakano (41 out of 123 patents)

7.  Motoyuki Abe (40 out of 66 patents)

8.  Akihiko Kudo (39 out of 78 patents)

9.  Satoshi Usui (36 out of 59 patents)

10.  Kenichi Nakayama (34 out of 60 patents)

11.  Ryo Kusakabe (34 out of 37 patents)

12.  Mutsumi Kikuchi (33 out of 65 patents)

13.  Takayuki Yogo (33 out of 48 patents)

14.  Hiroaki Hoshika (31 out of 46 patents)

15.  Yoshihito Yasukawa (31 out of 37 patents)


Core Competencies:
Coil Forming Device
Vehicle Control Apparatus
Power Converter
Sensor Device
Battery Monitoring System
Fuel Injection Control Device
Electronic Control Device
Parking Assistance Device
Object Detection System
High-Pressure Fuel Supply Pump
In-Vehicle Image Capturing Device
Thermal-Type Flowmeter

2,028 patents:

1. 12237733 - Coil forming device and coil of a rotating electric device (2025-02-25),
2. 11935307 - Vehicle control apparatus (2024-03-19),
3. 11798749 - Power converter including filter circuit device to improve a noise suppression function (2023-10-24),
4. 11661994 - Manufacturing method for cylinder device (2023-05-30),
5. 11502581 - Motor unit (2022-11-15),
6. 11391226 - Internal combustion engine control device and internal combustion engine control method (2022-07-19),
7. 11371415 - Flow control valve and cooling system (2022-06-28),
8. 11302854 - Sensor device (2022-04-12),
9. 11296613 - Power conversion device (2022-04-05),
10. 11275875 - Co-simulation repeater with former trace data (2022-03-15),
11. 11268920 - Physical quantity detection device (2022-03-08),
12. 11262266 - Pressure sensor (2022-03-01),
13. 11249139 - Battery monitoring system (2022-02-15),
14. 11239735 - Motor unit and motor unit manufacturing method (2022-02-01),
15. 11236697 - Fuel injection control device and fuel injection control method (2022-02-01),
Hitachi Automotive Systems, Ltd. is a global supplier of automotive parts and systems, including powertrain, chassis, and safety systems. They provide advanced technologies and solutions to automotive manufacturers worldwide to improve vehicle performance, safety, and efficiency. With a focus on innovation and quality, Hitachi Automotive Systems constantly strives to develop cutting-edge products that meet the ever-changing needs of the automotive industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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2,028 Patents

#1 in Hitachinaka

#116 in Japan

#480 in the World

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Hitachinaka, Japan

Hitachi Automotive Systems, Ltd.

Forward Citations = 5,350

2,088 inventors:

goldMedal Keiji Hanzawa (74 out of 115 patents)

silverMedal Shinobu Tashiro (61 out of 63 patents)

bronzeMedal Takeshi Morino (48 out of 68 patents)

4.  Noboru Tokuyasu (43 out of 92 patents)

5.  Masahiro Matsumoto (42 out of 142 patents)

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