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Nihon Radiator Co., Ltd.

USPTO Granted Patents = 49

Forward Citations = 513

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74 inventors (with patents filed for the assignee):

Eizo Suyama (4 out of 12 patents)

Yoshiharu Sakai (3 out of 3 patents)

Noriaki Sonoda (3 out of 3 patents)

4. Akira Kitsukawa (3 out of 3 patents)

5. Koji Murayama (3 out of 3 patents)

6. Yoshikazu Takamatsu (2 out of 30 patents)

7. Hisatoshi Hirota (2 out of 62 patents)

8. Shiro Ikuta (2 out of 5 patents)

9. Shigeyoshi Yokoyama (2 out of 4 patents)

10. Tetsuo Fukazawa (2 out of 5 patents)

11. Hiroshi Hasui (2 out of 4 patents)

12. Yukio Shimada (2 out of 15 patents)

13. Hidetoshi Ogida (2 out of 2 patents)

14. Hiroyasu Nadamoto (2 out of 2 patents)

15. Etsumi Nakano (2 out of 2 patents)

Core Competencies:

Air Conditioning

Heat Exchanger

Automotive Technology

Cooling Systems

Variable Displacement Compressor

Muffler Design

Centrifugal Pump

Oil Condition Detection

Piston Rod Manufacturing

Evaporator Technology

Fuel Tank Cap

Rotary Gas Compressor

49 patents: Sort by Forward Citations

1. D308407 - Liquid tank for use in the cooling cycle of an air conditioning device (1990-06-05),

2. 4911262 - Muffler (1990-03-27),

3. 4901907 - Heat exchanger core made of aluminum and method for application of flux (1990-02-20),

4. 4878001 - Drive control device for motor actuator in automobile air conditioner (1989-10-31),

5. 4871894 - Methods and apparatus for manufacturing piston rods (1989-10-03),

6. 4870828 - Cooling system in motor vehicle (1989-10-03),

7. 4867648 - Variable displacement wobble plate type compressor for automotive air (1989-09-19),

8. 4865249 - Safety device (1989-09-12),

9. 4860549 - Variable displacement wobble plate type compressor (1989-08-29),

10. 4833882 - Exhaust manifold for multicylinder internal combustion engine (1989-05-30),

11. 4829208 - Flat motor having a rotatable shaft, a stepped portion formed in said (1989-05-09),

12. 4820132 - Variable displacement wobble plate type compressor (1989-04-11),

13. 4809518 - Laminate type evaporator with expansion valve (1989-03-07),

14. 4796694 - Cooling fin for heat exchanger (1989-01-10),

15. 4785287 - Oil condition detecting apparatus (1988-11-15),

Nihon Radiator Co., Ltd. is a leading manufacturer and supplier of radiators for various industries. Established in 1975, we have been providing high-quality radiator products to our clients worldwide for over four decades. Our company specializes in manufacturing radiators for automotive, construction, agricultural, and industrial applications. With a focus on innovation and advanced technologies, we strive to deliver efficient and reliable radiators that meet the highest industry standards. Visit our website for more information and to explore our wide range of radiator products.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

49 Patents

#1 in Tokio

#1,702 in Japan

#13,874 in the World

Nihon Radiator Co., Ltd.

Forward Citations = 513

74 inventors:

Eizo Suyama (4 out of 12 patents)

Yoshiharu Sakai (3 out of 3 patents)

Noriaki Sonoda (3 out of 3 patents)

4. Akira Kitsukawa (3 out of 3 patents)

5. Koji Murayama (3 out of 3 patents)

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