49 Utility and 1 Design Patents
#39 in Ibaraki
#8,094 in Japan
#39,971 in the World
rank by utility patentsForward Citations = 130
Company Filing History:



4. 3 out of 16,453

5. 2 out of 13,202
Panasonic Intellectual Property Management Co., Ltd.
where one patent can have more than one assignee
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