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For the Inventor, By the Inventor

Tokyo, Japan

Sicoh Engineering Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 8

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2 inventors (with patents filed for the assignee):

goldMedal Manabu Shiraki (1 out of 48 patents)

silverMedal Osamu Hamaguchi (1 out of 4 patents)


1 patent:

1. 4995658 - Door locking devices (1991-02-26),
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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#5,750 in Tokyo

#15,572 in Japan

...
Tokyo, Japan

Sicoh Engineering Co., Ltd.

Forward Citations = 8

2 inventors:

goldMedal Manabu Shiraki (1 out of 48 patents)

silverMedal Osamu Hamaguchi (1 out of 4 patents)

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