For the Inventor, By the Inventor

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Ogura Corporation

USPTO Granted Patents = 3

Forward Citations = 48

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4 inventors (with patents filed for the assignee):

William B Trojan (1 out of 1 patent)

Hirokazu Murayama (1 out of 1 patent)

Yuzo Sekiguchi, Deceased (1 out of 1 patent)

4. Enjiro Maejima (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 5320206 - Coil mounting and terminals for an electromagnetic clutch (1994-06-14),

2. 5184705 - Electromagnetic clutch (1993-02-09),

3. 5141090 - Electromagnetic clutch (1992-08-25),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#455 in

#8,785 in Japan

Ogura Corporation

Forward Citations = 48

4 inventors:

William B Trojan (1 out of 1 patent)

Hirokazu Murayama (1 out of 1 patent)

Yuzo Sekiguchi, Deceased (1 out of 1 patent)

4. Enjiro Maejima (1 out of 3 patents)

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