Chigasaki, Japan

Ngk Filtech, Ltd.


USPTO Granted Patents = 2


Forward Citations = 1

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6 inventors (with patents filed for the assignee):

goldMedal Hiroshi Shimizu (1 out of 69 patents)

silverMedal Muneyuki Iwabuchi (1 out of 4 patents)

bronzeMedal Shinichi Kosaka (1 out of 5 patents)

4 Koji Hieda (2 patents)

5 Kohei Watanabe (0 patent)

6 Takeyuki Fujiwara (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#4 in Chigasaki

#10,988 in Japan

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Chigasaki, Japan
Forward Citations = 1

6 inventors:

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