19 Utility Patents
#2,544 in Yokohama
#38,144 in Japan
#173,628 in the World
Forward Citations = 219
Company Filing History:
Hitachi, Ltd.


4. 2 out of 3,780

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#2,544 in Yokohama
#38,144 in Japan
#173,628 in the World
Company Filing History:



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