102 Utility and 7 Design Patents
#332 in Tokyo
#1,446 in Japan
#9,177 in the World
rank by utility patentsForward Citations = 1,155
Company Filing History:


Hitachi Maxell, Limited
4. 13 out of 131
Symetrix Corporation
5. 12 out of 58,116

where one patent can have more than one assignee
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