25 Utility Patents
#2,684 in Kanagawa
#25,553 in Japan
#116,853 in the World
Forward Citations = 105
Company Filing History:

Sophia School Corporation
4. 2 out of 9,973

where one patent can have more than one assignee
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#2,684 in Kanagawa
#25,553 in Japan
#116,853 in the World
Company Filing History:


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