20 Utility Patents
#2,355 in Yokohama
#34,542 in Japan
#154,492 in the World
Forward Citations = 326
Company Filing History:
Hitachi, Ltd.
4. 1 out of 828,785 patents
Other
5. 1 out of 377
Ps4 Luxco S.a.r.l.
where one patent can have more than one assignee
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