77 Utility and 4 Design Patents
#169 in Osaka
#2,954 in Japan
#16,424 in the World
rank by utility patentsForward Citations = 748
Company Filing History:



4. 1 out of 13,059
Panasonic Intellectual Property Management Co., Ltd.
5. 1 out of 28
Matushita Electric Industrial Co., Ltd.
where one patent can have more than one assignee
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