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Aisin-warner Limited

USPTO Granted Patents = 54

Forward Citations = 525

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52 inventors (with patents filed for the assignee):

Yoichi Hayakawa (16 out of 46 patents)

Seitoku Kubo (15 out of 83 patents)

Yutaka Taga (13 out of 150 patents)

4. Kazuaki Watanabe (12 out of 26 patents)

5. Shiro Sakakibara (11 out of 72 patents)

6. Koji Sumiya (10 out of 40 patents)

7. Kagenori Fukumura (9 out of 59 patents)

8. Yoshiharu Harada (8 out of 30 patents)

9. Masao Kawai (7 out of 31 patents)

10. Seiichi Nishikawa (7 out of 18 patents)

11. Masakatsu Miura (6 out of 30 patents)

12. Tatsuya Iwatsuki (6 out of 10 patents)

13. Takenori Kano (4 out of 27 patents)

14. Koujiro Kuramochi (4 out of 40 patents)

15. Nobuaki Miki (4 out of 57 patents)

Core Competencies:

Transmission Control System

Four-Wheel Drive Vehicle

Hydraulic Servo Mechanism

Automatic Transmission

Power Delivery System

Friction Coupling Element

Lubrication System

Shift Shock Suppression

Brake Support Mechanism

Centrifugal Friction Clutch

Gear Transmission Mechanism

Hydraulic Control System

54 patents: Sort by Forward Citations

1. 4945482 - Transmission control system (1990-07-31),

2. 4911260 - Four-wheel drive vehicle (1990-03-27),

3. 4896739 - Four-wheel drive vehicle (1990-01-30),

4. 4896561 - Lubricating oil supply device for transmission mechanism (1990-01-30),

5. 4890512 - Hydraulic servo for friction coupling element of automatic transmission (1990-01-02),

6. 4854195 - Hydraulic control system for vehicular automatic transmission with two (1989-08-08),

7. 4846022 - Vehicular automatic transmission control system with gear shift inhibitor (1989-07-11),

8. 4846020 - Vehicular automatic transmission control system with gear shift inhibitor (1989-07-11),

9. 4833945 - Vehicular automatic transmission control system (1989-05-30),

10. 4807492 - Mechanism for supporting transmission shafts of automatic transmission (1989-02-28),

11. 4781081 - Hydraulic control for vehicle transmission (1988-11-01),

12. 4763749 - Four-wheel drive vehicle (1988-08-16),

13. 4763748 - Four-wheel drive vehicle (1988-08-16),

14. 4753136 - Hydraulic control of transmission (1988-06-28),

15. 4753132 - Hydraulic servo for friction coupling devices of automatic transmissions (1988-06-28),

Aisin-Warner Limited is a Japanese company specializing in the manufacturing of automotive parts and systems. They are well-known for their expertise in automatic transmissions, manual transmissions, and navigation systems. With a commitment to innovation and quality, Aisin-Warner has established itself as a trusted partner within the global automotive industry. For more information about their products and services, please visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

54 Patents

#6 in Anjo

#1,595 in Japan

#12,744 in the World

Aisin-warner Limited

Forward Citations = 525

52 inventors:

Yoichi Hayakawa (16 out of 46 patents)

Seitoku Kubo (15 out of 83 patents)

Yutaka Taga (13 out of 150 patents)

4. Kazuaki Watanabe (12 out of 26 patents)

5. Shiro Sakakibara (11 out of 72 patents)

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