Tokyo, Japan

Sogo Security Services Co.


USPTO Granted Patents = 2

Forward Citations = 23

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2 inventors (with patents filed for the assignee):

goldMedal Hiroshi Ichikawa (1 out of 40 patents)

silverMedal Yutaka Kanayama (1 out of 2 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#4,069 in Tokyo

#10,986 in Japan

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Tokyo, Japan
Forward Citations = 23

2 inventors:

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