32 Utility Patents
#1,954 in Kanagawa
#17,713 in Japan
#82,950 in the World
Forward Citations = 54
Company Filing History:

Sony Disc & Digital Solutions Inc.

4. 1 out of 1
Sony Disc & Digital Sloutions Inc.
5. 1 out of 25
Digital Audio Disc Corporation
where one patent can have more than one assignee
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