Inventor
TAKEKOSHI YOICHIRO
US5 patents
Patents
5 patentsUS5380359AJan 10, 1995
Cosmetics based on naturally derived melanin-coated pigments
KYOWA HAKKO KOGYO KK59 citations93
US6497889B2Dec 24, 2002
Cosmetics
KYOWA HAKKO KOGYO KK35 citations91
US6692754B1Feb 17, 2004
Cosmetic composition
KYOWA HAKKO KOGYO KK31 citations87
US6190679B1Feb 20, 2001
Cosmetic composition
KYOWA HAKKO KOGYO KK14 citations72
US6517846B2Feb 11, 2003
Cosmetic composition
KYOWA HAKKO KOGYO KK2 citations60