Hiroshima, Japan

Ishii Hyoko Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

goldMedal Daiji Katsura (1 out of 9 patents)

silverMedal Kenta Okada (1 out of 3 patents)

bronzeMedal Takakazu Yamane (1 out of 31 patents)

4 Takashi Fujii (1 out of 3 patents)

5 Sakura Nakao (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#115 in Hiroshima, 729-3431

#15,591 in Japan

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Hiroshima, Japan
Forward Citations = 0

5 inventors:

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