Fukuoka, Japan

Nihon Tungsten Kabushiki Kaisha


USPTO Granted Patents = 2

Forward Citations = 33

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5 inventors (with patents filed for the assignee):

goldMedal Kei Tokumoto (2 out of 4 patents)

silverMedal Yataro Nagai (2 out of 8 patents)

bronzeMedal Mitsuyoshi Matsushita (2 out of 7 patents)

4 Osamu Ishibashi (2 out of 2 patents)

5 Kiyoshi Terasaki (2 out of 2 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#88 in Fukuoka

#10,988 in Japan

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Fukuoka, Japan
Forward Citations = 33

5 inventors:

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