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For the Inventor, By the Inventor

Tokyo, Japan

Radic Co., Ltd.


USPTO Granted Patents = 3

Forward Citations = 23

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2 inventors (with patents filed for the assignee):

goldMedal Fumio Sakata (2 out of 4 patents)

silverMedal Nobuyoshi Yamazaki (2 out of 4 patents)


3 patents:

1. 5579255 - Analog arithmetic circuit with electric resistor networks and numerical (1996-11-26),
2. 5565860 - Underground information collecting apparatus having a noise cancel (1996-10-15),
3. 4800385 - Well data transmission system using a magnetic drill string for (1989-01-24),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#3,541 in Tokyo

#8,915 in Japan

Tokyo, JP
Tokyo, Japan

Radic Co., Ltd.

Forward Citations = 23

2 inventors:

goldMedal Fumio Sakata (2 out of 4 patents)

silverMedal Nobuyoshi Yamazaki (2 out of 4 patents)

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