9 Utility Patents
#5,331 in Yokohama
#93,435 in Japan
#439,225 in the World
Forward Citations = 22
Company Filing History:

4. 1 out of 42,314
Hitachi, Ltd.
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#5,331 in Yokohama
#93,435 in Japan
#439,225 in the World
Company Filing History:

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