105 Utility Patents
#91 in Osaka
#1,350 in Japan
#8,693 in the World
Forward Citations = 582
Company Filing History:

Panasonic Intellectual Property Management Co., Ltd.

4. 11 out of 21,559

5. 9 out of 1,213
Nhk Spring Co., Ltd.
where one patent can have more than one assignee
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