45 Utility and 9 Design Patents
#2,087 in Tokyo
#9,442 in Japan
#45,967 in the World
rank by utility patentsForward Citations = 594
Company Filing History:



4. 5 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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