Tokyo, Japan

D.t. Circuit Technology Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 42

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6 inventors (with patents filed for the assignee):

goldMedal Yuji Yamaguchi (2 out of 49 patents)

silverMedal Hiroshi Yagi (2 out of 74 patents)

bronzeMedal Osamu Shimada (2 out of 40 patents)

4 Yoshitaka Fukuoka (2 out of 26 patents)

5 Tooru Serizawa (2 out of 8 patents)

6 Hiroyuki Hirai (2 out of 7 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 = 42

6 inventors:

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