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For the Inventor, By the Inventor

Aichi, Japan

Newgin Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 81

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2 inventors (with patents filed for the assignee):

goldMedal Hiroshi Yamamoto (2 out of 103 patents)

silverMedal Kiyomi Iwai (1 out of 1 patent)


2 patents:

1. 5135224 - Pattern matching game machine of prepaid card system (1992-08-04),
2. 5108349 - Belt driving mechanism for game machines (1992-04-28),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#190 in Aichi

#10,964 in Japan

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Aichi, Japan

Newgin Co., Ltd.

Forward Citations = 81

2 inventors:

goldMedal Hiroshi Yamamoto (2 out of 103 patents)

silverMedal Kiyomi Iwai (1 out of 1 patent)

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