194 Utility Patents
#25 in Osaka
#258 in Japan
#2,246 in the World
Forward Citations = 3,117
Company Filing History:


Panasonic Intellectual Property Management Co., Ltd.
4. 4 out of 252
Dai-ichi Kogyo Seiyaku Co., Ltd.
5. 4 out of 217
Dowa Mining Co., Ltd.
where one patent can have more than one assignee
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