23 Utility and 4 Design Patents
#1,595 in Osaka
#29,927 in Japan
#138,931 in the World
rank by utility patentsForward Citations = 334
Company Filing History:
Panasonic Intellectual Property Management Co., Ltd.
Sanyo Electric Co., Ltd.

4. 2 out of 352

5. 1 out of 16,453

where one patent can have more than one assignee
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