Tokyo, Japan

Tokyo Denpa Kabushiki Kaisha


USPTO Granted Patents = 2

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Sumiyuki Ishigami (2 out of 4 patents)

silverMedal Mitsuru Sato (2 out of 16 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 = 13

2 inventors:

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