52 Utility and 7 Design Patents
#931 in Kanagawa
#7,204 in Japan
#35,920 in the World
rank by utility patentsForward Citations = 214
Company Filing History:



4. 3 out of 13,234
Panasonic Intellectual Property Management Co., Ltd.
5. 2 out of 4,048
Alps Electric Co., Ltd.
where one patent can have more than one assignee
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