144 Utility and 3 Design Patents
#4 in Fujisawa
#582 in Japan
#4,370 in the World
rank by utility patentsForward Citations = 502
Company Filing History:






4. 13 out of 365
Hitachi Consumer Electronics Co., Ltd.
5. 5 out of 1,112
Hitachi Maxell, Limited
where one patent can have more than one assignee
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