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Nishinomiya, Japan

Konan Electric Company Limited

USPTO Granted Patents = 14

Trademarks = 1

Forward Citations = 200

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12 inventors (with patents filed for the assignee):

Eiichi Mukumoto (6 out of 6 patents)

Mitsufumi Kishimoto (3 out of 3 patents)

Hiroyuki Nakajima (3 out of 3 patents)

4. Takashi Hosokawa (2 out of 5 patents)

5. Junji Sato (1 out of 1 patent)

6. Kazuyuki Nakamura (1 out of 16 patents)

7. Kazuteru Kuzutani (1 out of 1 patent)

8. Yuuki Nagata (1 out of 1 patent)

9. Masashi Mizutani (1 out of 1 patent)

10. Satoshi Shinkai (1 out of 1 patent)

11. Hitoshi Shimizu (1 out of 1 patent)

12. Toshio Himeno (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 6132131 - Attachment mounting/demounting device in working machinery (2000-10-17),

2. 5794652 - Relief valve (1998-08-18),

3. 5791372 - Relief valve (1998-08-11),

4. 5787926 - Overload preventive device (1998-08-04),

5. 5692325 - Attachment detaching apparatus for hydraulic shovel (1997-12-02),

6. 5676172 - Relief valve (1997-10-14),

7. 5173035 - Reciprocating pump (1992-12-22),

8. 4993924 - Reciprocating pump (1991-02-19),

9. 4882977 - Rotary actuator (1989-11-28),

10. 4733691 - Solenoid valve (1988-03-29),

11. 4707168 - Case guard device for air filter and lubricator of compressed air system (1987-11-17),

12. 4114648 - Double acting electromagnetic valve (1978-09-19),

13. 4076045 - Solenoid operated valve (1978-02-28),

14. 3952579 - Automatic blood sedimentation rate measuring device (1976-04-27),

Konan Electric Company Limited is a leading manufacturer of electrical products and solutions. With over 50 years of experience, we specialize in producing high-quality transformers, switchgear, and other electrical equipment. Our innovative designs and commitment to customer satisfaction have made us a trusted partner for businesses worldwide. Visit our website to learn more about our products and services.

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USPTO Data Jan 1 1976 - Dec 2 2025

14 Patents

#2 in Nishinomiya

#3,483 in Japan

#40,857 in the World

Nishinomiya, Japan

Konan Electric Company Limited

Forward Citations = 200

12 inventors:

Eiichi Mukumoto (6 out of 6 patents)

Mitsufumi Kishimoto (3 out of 3 patents)

Hiroyuki Nakajima (3 out of 3 patents)

4. Takashi Hosokawa (2 out of 5 patents)

5. Junji Sato (1 out of 1 patent)

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