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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):

Yuji Yamaguchi (2 out of 49 patents)

Hiroshi Yagi (2 out of 74 patents)

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: Sort by Forward Citations

1. 7100276 - Method for fabricating wiring board provided with passive element (2006-09-05),

2. 6872893 - Wiring board provided with passive element and cone shaped bumps (2005-03-29),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4,067 in Tokyo

#10,974 in Japan

D.t. Circuit Technology Co., Ltd.

Forward Citations = 42

6 inventors:

Yuji Yamaguchi (2 out of 49 patents)

Hiroshi Yagi (2 out of 74 patents)

Osamu Shimada (2 out of 40 patents)

4. Yoshitaka Fukuoka (2 out of 26 patents)

5. Tooru Serizawa (2 out of 8 patents)

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