Tokyo, Japan

Altan Co., Ltd.


USPTO Granted Patents = 3



Forward Citations = 0

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6 inventors (with patents filed for the assignee):

goldMedal Toru Tsuji (3 out of 4 patents)

silverMedal Tadashi Shimamoto (3 out of 3 patents)

bronzeMedal Yoshiaki Nakai (3 out of 3 patents)

4 Takemasa Sakaguchi (1 out of 3 patents)

5 Yasushi Okinaka (1 out of 1 patent)

6 Yasushi Okinaka (0 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#3,271 in Tokyo

#8,780 in Japan

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Tokyo, Japan
Forward Citations = 0

6 inventors:

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