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Sanwa Seiki Mfg. Co. Ltd.

USPTO Granted Patents = 13

Trademarks = 1

Forward Citations = 64

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10 inventors (with patents filed for the assignee):

Yuzo Koyanagi (5 out of 5 patents)

Yukichi Sekiguchi (3 out of 3 patents)

Kazunari Imasato (2 out of 6 patents)

4. Haruo Chiba (2 out of 2 patents)

5. Shigeru Yoshizawa (2 out of 2 patents)

6. Tadakazu Shiozaki (2 out of 2 patents)

7. Takayuki Suzuki (2 out of 7 patents)

8. Masatake Kuroki (1 out of 1 patent)

9. Akiteru Fujiki (1 out of 1 patent)

10. Tetuo Koike (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 4644475 - Method of controlling actuator by applying driving pulse (1987-02-17),

2. 4558679 - Method of controlling hydraulic actuator (1985-12-17),

3. 4535402 - Digital control method (1985-08-13),

4. 4527531 - Method of detecting fuel injection timing (1985-07-09),

5. 4455867 - Method of detecting control error in digital control (1984-06-26),

6. 4305367 - Injection timing control system for fuel-injection pump for engine (1981-12-15),

7. 4305366 - Injection timing control system for fuel-injection pump for engine (1981-12-15),

8. 4035034 - Antiskid device for air brakes (1977-07-12),

9. 3998133 - Radial type hydraulic pump motor (1976-12-21),

10. 3993364 - Anti-skid device for use with vehicle brake systems (1976-11-23),

11. 3976336 - Antiskid device for air brakes (1976-08-24),

12. 3976335 - Modulator of an antiskid device for air brakes (1976-08-24),

13. 3963277 - Vehicle brake system (1976-06-15),

Sanwa Seiki Mfg. Co. Ltd. is a leading manufacturer of precision measurement and control instruments for industrial applications. With over 60 years of experience, the company specializes in producing high-quality products such as pressure sensors, flow meters, and temperature controllers. Their innovative solutions are used in a wide range of industries, including automotive, aerospace, and medical. Visit their website to learn more about their products and services.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#5 in

#3,655 in J

#43,615 in the World

Sanwa Seiki Mfg. Co. Ltd.

Forward Citations = 64

10 inventors:

Yuzo Koyanagi (5 out of 5 patents)

Yukichi Sekiguchi (3 out of 3 patents)

Kazunari Imasato (2 out of 6 patents)

4. Haruo Chiba (2 out of 2 patents)

5. Shigeru Yoshizawa (2 out of 2 patents)

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