Aichi, Japan

Ngk Spark Plug So., Ltd.


USPTO Granted Patents = 1

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

goldMedal Nobuhiro Hayakawa (1 out of 27 patents)

silverMedal Takao Kojima (1 out of 42 patents)

bronzeMedal Tetsusyo Yamada (1 out of 25 patents)

4 Yutaka Nakayama (1 out of 6 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 2 2025

1 Patents

#266 in Aichi

#15,589 in Japan

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Aichi, Japan
Forward Citations = 7

4 inventors:

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