Tokyo, Japan

Mitsui Mining Smelting Co., Ltd. Et Al.


USPTO Granted Patents = 1

Forward Citations = 15

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4 inventors (with patents filed for the assignee):

goldMedal Kazuhito Hashimoto (1 out of 36 patents)

silverMedal Akira Fujishima (1 out of 42 patents)

bronzeMedal Masatoshi Yamazaki (1 out of 1 patent)

4 Yasuhide Yamagushi (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 2 2025

1 Patents

#5,754 in Tokyo

#15,596 in Japan

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Tokyo, Japan
Forward Citations = 15

4 inventors:

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