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For the Inventor, By the Inventor

Tokyo, Japan

Kojima, Ltd.


USPTO Granted Patents = 1

Forward Citations = 21

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2 inventors (with patents filed for the assignee):

goldMedal Mitsuo Watanabe (1 out of 84 patents)

silverMedal Takao Asaba (1 out of 1 patent)


1 patent:

1. 4624875 - Protected card (1986-11-25),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#6,079 in Tokyo

#15,713 in Japan

Tokyo, JP
Tokyo, Japan

Kojima, Ltd.

Forward Citations = 21

2 inventors:

goldMedal Mitsuo Watanabe (1 out of 84 patents)

silverMedal Takao Asaba (1 out of 1 patent)

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