198 Utility and 1 Design Patents
#22 in Osaka
#248 in Japan
#2,151 in the World
rank by utility patentsForward Citations = 1,028
Company Filing History:



4. 30 out of 13,059
Panasonic Intellectual Property Management Co., Ltd.
5. 19 out of 13,405

where one patent can have more than one assignee
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