20 Utility Patents
#2,434 in Yokohama
#36,622 in Japan
#169,472 in the World
Forward Citations = 180
Company Filing History:

Other
Hitachi, Ltd., and Hitachi Video and Information Systems, Inc.
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#2,434 in Yokohama
#36,622 in Japan
#169,472 in the World
Company Filing History:

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