Nagoya, Japan

Ngk Spark Plus Co., Ltd.


USPTO Granted Patents = 3

Forward Citations = 22

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7 inventors (with patents filed for the assignee):

goldMedal Yuzo Higuchi (1 out of 16 patents)

silverMedal Takahiro Hayashi (1 out of 16 patents)

bronzeMedal Tatsuya Ito (1 out of 9 patents)

4 Koji Okazaki (1 out of 10 patents)

5 Masayoshi Matsui (1 out of 13 patents)

6 Seiji Mori (1 out of 15 patents)

7 Yoshinori Tsujimura (1 out of 6 patents)


3 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#110 in Nagoya

#8,779 in Japan

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Nagoya, Japan
Forward Citations = 22

7 inventors:

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