Tokyo, Japan

Kei Instrument Kabushiki-kaisha


USPTO Granted Patents = 1

Forward Citations = 24

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3 inventors (with patents filed for the assignee):

goldMedal Tokio Sugi (1 out of 9 patents)

silverMedal Takeshi Yasuhara (1 out of 12 patents)

bronzeMedal Shigemi Kato (1 out of 1 patent)


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 = 24

3 inventors:

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