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For the Inventor, By the Inventor

Tokyo-To, Japan

Daiichi Denpa Kogyo Kabushiki Kaisha


USPTO Granted Patents = 3

Trademarks = 3

Forward Citations = 61

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3 inventors (with patents filed for the assignee):

goldMedal Hironobu Watanabe (2 out of 2 patents)

silverMedal Hideo Yamamoto (1 out of 4 patents)

bronzeMedal Ichiro Shimada (1 out of 1 patent)


3 patents:

1. 5734355 - Coupling device for coaxial cable and antenna apparatus (1998-03-31),
2. 5557290 - Coupling apparatus between coaxial cables and antenna system using the (1996-09-17),
3. D359738 - Base for an antenna (1995-06-27),
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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#20 in Tokyo-To

#8,780 in Japan

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Tokyo-To, Japan

Daiichi Denpa Kogyo Kabushiki Kaisha

Forward Citations = 61

3 inventors:

goldMedal Hironobu Watanabe (2 out of 2 patents)

silverMedal Hideo Yamamoto (1 out of 4 patents)

bronzeMedal Ichiro Shimada (1 out of 1 patent)

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