Ibaraki, Japan

Hitachi Naka Seiki, Ltd.


USPTO Granted Patents = 2

Forward Citations = 16

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4 inventors (with patents filed for the assignee):

goldMedal Junichiro Tomizawa (1 out of 1 patent)

silverMedal Shigeru Kawamata (1 out of 3 patents)

bronzeMedal Tomoyasu Hirashima (1 out of 1 patent)

4 Susumu Ozasa (1 out of 15 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#71 in Ibaraki

#10,988 in Japan

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Ibaraki, Japan
Forward Citations = 16

4 inventors:

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