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For the Inventor, By the Inventor

Osaka, Japan

Osakaseiko, Limited


USPTO Granted Patents = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Tetsuaki Numata (1 out of 12 patents)

silverMedal Shigeo Maeda (1 out of 1 patent)


1 patent:

1. 5632179 - Method of manufacturing an engaging element for one way clutch improving (1997-05-27),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#1,660 in Osaka

#15,766 in Japan

Osaka, JP
Osaka, Japan

Osakaseiko, Limited

Forward Citations = 1

2 inventors:

goldMedal Tetsuaki Numata (1 out of 12 patents)

silverMedal Shigeo Maeda (1 out of 1 patent)

Please report any incorrect information to [email protected]
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