Tokyo, Japan

Sont Group Corporation


USPTO Granted Patents = 1

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Hiroshi Takahashi (1 out of 224 patents)

silverMedal Reijiroh Shohji (1 out of 39 patents)

bronzeMedal Taku Umebayashi (1 out of 48 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#5,735 in Tokyo

#15,539 in Japan

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Tokyo, Japan
Forward Citations = 0

3 inventors:

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