13 Utility Patents
#3,863 in Yokohama
#63,411 in Japan
#296,787 in the World
Forward Citations = 9
Company Filing History:
Sumitomo Electric Device Innovations, Inc.

where one patent can have more than one assignee
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#3,863 in Yokohama
#63,411 in Japan
#296,787 in the World
Company Filing History:

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