40 Utility Patents
#2 in Yamatotakada
#12,010 in Japan
#57,249 in the World
Forward Citations = 492
Company Filing History:


Tanaka Chemical Corporation
4. 2 out of 252
Dai-ichi Kogyo Seiyaku Co., Ltd.
5. 1 out of 19,675

where one patent can have more than one assignee
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