68 Utility and 2 Design Patents
#927 in Tokyo
#3,959 in Japan
#21,041 in the World
rank by utility patentsForward Citations = 193
Company Filing History:



4. 1 out of 1
Sony Corporatuon
5. 1 out of 165
Interdigital Ce Patent Holdings, Sas
where one patent can have more than one assignee
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