Tokyo, Japan

Eisai Chemical


USPTO Granted Patents = 1

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

goldMedal Tomio Tsurugi (1 out of 12 patents)

silverMedal Yoshio Urawa (1 out of 12 patents)

bronzeMedal Toshikazu Shimizu (1 out of 12 patents)

4 Yoji Yamagishi (1 out of 9 patents)

5 Ken Furukawa (1 out of 11 patents)

6 Tomio Ichino (1 out of 8 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 = 0

6 inventors:

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