14 Utility Patents
#538 in Ibaraki
#58,166 in Japan
#270,802 in the World
Forward Citations = 24
Company Filing History:
Hitachi Maxell, Limited
Sanyo Optec Design Co., Ltd.
Sanyo Electric Co., Ltd.
4. 1 out of 56
Hitachi Maxwell, Ltd.
where one patent can have more than one assignee
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