20 Utility Patents
#409 in Chiba
#36,537 in Japan
#168,707 in the World
Forward Citations = 48
Company Filing History:

Sony Disc & Digital Solutions Inc.
where one patent can have more than one assignee
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#409 in Chiba
#36,537 in Japan
#168,707 in the World
Company Filing History:

Get your Inventor Badge Today