Inventor
NAKAYAMA YASUKAZU
JP5 patents
Patents
5 patentsUS6419962B1Jul 16, 2002
External skin treatment composition
SHISEIDO CO LTD43 citations91
US5853705ADec 29, 1998
Anti-aging cosmetic composition
SHISEIDO CO LTD68 citations91
US5306444AApr 26, 1994
Washing composition capable of preventing and ameliorating skin irritation
SHISEIDO CO LTD101 citations91
USRE39043EMar 28, 2006
Collagen production promoter composition
SHISEIDO CO LTD10 citations71
US6531165B2Mar 11, 2003
Collagen production promoter composition
SHISEIDO CO LTD3 citations60