30 Utility Patents
#1,473 in Yokohama
#19,749 in Japan
#92,155 in the World
Forward Citations = 399
Company Filing History:
Diafoil Company, Ltd.
Diafoil Hoechst Company, Limited

4. 1 out of 2
Daifoil Company, Limited
5. 1 out of 3
Diafoil Hoescht Company, Limited
where one patent can have more than one assignee
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