Tsurugashima, Japan

Extein Corporation


USPTO Granted Patents = 1


Forward Citations = 5

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6 inventors (with patents filed for the assignee):

goldMedal Hiroyuki Hozumi (1 out of 8 patents)

silverMedal Hiroshi Matsuo (1 out of 15 patents)

bronzeMedal Yoichi Kurita (1 out of 2 patents)

4 Yoichi c/o Jamco Corporation Kurita (0 patent)

5 Hiroshi c/o Extein Corporation Matsuo (0 patent)

6 Hiroyuki c/o Jamco Corporation Hozumi (0 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#2 in Tsurugashima

#15,591 in Japan

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Tsurugashima, Japan
Forward Citations = 5

6 inventors:

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