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Kyosan Denki Kabushiki Kaisha

USPTO Granted Patents = 12

Forward Citations = 87

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17 inventors (with patents filed for the assignee):

Yoshiharu Matsushita (2 out of 2 patents)

Katsumi Arai (1 out of 4 patents)

Koichi Ito (1 out of 62 patents)

4. Akio Takayama (1 out of 1 patent)

5. Shiro Saito (1 out of 6 patents)

6. Kitio Ogaki (1 out of 1 patent)

7. Toshirou Kawase (1 out of 1 patent)

8. Masanobu Miyake (1 out of 1 patent)

9. Hideyo Nakamura (1 out of 1 patent)

10. Hiroshi Osaki (1 out of 1 patent)

11. Masayuki Inagaki (1 out of 1 patent)

12. Kazumasa Komura (1 out of 1 patent)

13. Takashi Nakada (1 out of 1 patent)

14. Tokio Seki (1 out of 1 patent)

15. Hiroshi Mochizuki (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 5306424 - Fuel filter (1994-04-26),

2. 5235955 - Fuel evaporative emission control system (1993-08-17),

3. 5211046 - Method for forming multistage hollow pipe (1993-05-18),

4. 5181497 - Evapo-control valve (1993-01-26),

5. 5082016 - Adhesion prevention device in liquid surface detecting valve (1992-01-21),

6. 5055187 - Fuel filter incorporated in a fuel tank (1991-10-08),

7. 5012838 - Solenoid valve incorporating liquid surface detecting valve (1991-05-07),

8. 4915129 - Check valve (1990-04-10),

9. 4915074 - Throttle valve control system of engine (1990-04-10),

10. 4551071 - Diaphragm-type fuel pump (1985-11-05),

11. 4295414 - Diaphragm-type fuel pump (1981-10-20),

12. 4153394 - Fuel pump (1979-05-08),

Kyosan Denki Kabushiki Kaisha is a Japanese company specializing in the design, development, and manufacture of a wide range of electrical equipment and components. The company offers products such as relays, power distribution units, electronic control devices, and automotive components. With a history dating back to 1937, Kyosan is known for its high-quality, reliable products and innovative solutions for various industries including automotive, telecommunications, and aerospace.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1,519 in Tokyo

#3,833 in Japan

#46,665 in the World

Kyosan Denki Kabushiki Kaisha

Forward Citations = 87

17 inventors:

Yoshiharu Matsushita (2 out of 2 patents)

Katsumi Arai (1 out of 4 patents)

Koichi Ito (1 out of 62 patents)

4. Akio Takayama (1 out of 1 patent)

5. Shiro Saito (1 out of 6 patents)

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