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Diesel Kiki Co., Ltd.

USPTO Granted Patents = 596

Forward Citations = 6,437

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389 inventors (with patents filed for the assignee):

Nobuyuki Nakajima (34 out of 46 patents)

Tsunenori Shibuya (29 out of 29 patents)

Yutaka Ishizuka (26 out of 26 patents)

4. Masayoshi Kobayashi (21 out of 22 patents)

5. Hidekazu Oshizawa (19 out of 22 patents)

6. Keiichi Yamada (18 out of 18 patents)

7. Kenichi Inomata (17 out of 17 patents)

8. Kazumasa Kurihara (17 out of 23 patents)

9. Kenji Arai (16 out of 82 patents)

10. Hiromi Kono (14 out of 23 patents)

11. Tadahiro Takahashi (14 out of 16 patents)

12. Kazuo Eitai (13 out of 13 patents)

13. Toshio Yamaguchi (13 out of 16 patents)

14. Teruo Nakamura (13 out of 13 patents)

15. Takeo Kushida (12 out of 20 patents)

Core Competencies:

Fuel Injection Pump

Vehicle Safety Device

Differential Device

Compressor Technology

Automatic Transmission Control

Air-Conditioner Control

Acceleration Sensor

Hydraulic Control Circuit

Magnetic Sensor

Clutch Control

Heat Exchanger

Vane Compressor

596 patents: Sort by Forward Citations

1. 5364243 - Fuel injection pump (1994-11-15),

2. 5336524 - Evaporator (1994-08-09),

3. 5225985 - Vehicle safety device actuating apparatus with adaptive reference level (1993-07-06),

4. 5195934 - Differential device for vehicle (1993-03-23),

5. 5182755 - Malfunction checking system for controller (1993-01-26),

6. 5162709 - Apparatus for controlling blower motor of automobile air-conditioner (1992-11-10),

7. 5158390 - Jointing structure of rotor and shaft (1992-10-27),

8. 5155376 - Vehicle safety device actuating circuit with monitoring current regulator (1992-10-13),

9. 5149257 - Compressor with a cylinder having improved seizure resistance and (1992-09-22),

10. 5127889 - Differential device for vehicle (1992-07-07),

11. 5122956 - Method for controlling vehicle automatic transmission systems (1992-06-16),

12. 5122954 - Control system for actuating vehicle air-bags (1992-06-16),

13. 5101192 - System for controlling activation of air bag for vehicle (1992-03-31),

14. 5096387 - Vane compressor with means for obtaining sufficient back pressure upon (1992-03-17),

15. 5090269 - System for automatically controlling transmission for vehicles (1992-02-25),

Diesel Kiki Co., Ltd. is a global provider of advanced automotive parts and systems. With a history spanning over several decades, we are committed to developing and manufacturing high-quality fuel injection pumps, injectors, and related components for diesel engines. Our innovative solutions ensure optimal performance, improved fuel efficiency, and reduced emissions. Visit our website to explore our wide range of products and learn more about our cutting-edge technology and expertise in the automotive industry.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

596 Patents

#146 in Tokyo

#326 in Japan

#1,597 in the World

Diesel Kiki Co., Ltd.

Forward Citations = 6,437

389 inventors:

Nobuyuki Nakajima (34 out of 46 patents)

Tsunenori Shibuya (29 out of 29 patents)

Yutaka Ishizuka (26 out of 26 patents)

4. Masayoshi Kobayashi (21 out of 22 patents)

5. Hidekazu Oshizawa (19 out of 22 patents)

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