Tokyo, Japan

Nippon Leakless Kogyo Kabushiki Kaisha


USPTO Granted Patents = 1

Forward Citations = 2

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6 inventors (with patents filed for the assignee):

goldMedal Akiko Tanaka (1 out of 21 patents)

silverMedal Toshio Yamagiwa (1 out of 50 patents)

bronzeMedal Akira Tanaka (1 out of 43 patents)

4 Noriyuki Deguchi (1 out of 2 patents)

5 Kentaro Yamashita (1 out of 1 patent)

6 Ken Fujiwara (1 out of 4 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#5,752 in Tokyo

#15,591 in Japan

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Tokyo, Japan
Forward Citations = 2

6 inventors:

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