Inventor · disambiguated record
Keikichi Sugiyama
Also filed as: SUGIYAMA KEIKICHI
6 granted patents·40 citations·filing 1990–1994
79Inventor score
Top patents by PatentIndex Score
6 records- 0149US5126327AMelanocyte-stimulating hormone inhibitor and external preparation containing the sameLION CORP·Filed 1990·Granted Jun 30, 1992·20 cites·25 claims
- 0245US5017368AComposition for application to hair or scalpKEIKICHI SUGIYAMA·Filed 1990·Granted May 21, 1991·14 cites·6 claims
- 0340US5318776AComposition for preventing graying of the hairLION CORP·Filed 1993·Granted Jun 7, 1994·3 cites·6 claims
- 0430US5378453AComposition for preventing graying of the hair and restoring grayed hair to its natural colorLION CORP·Filed 1994·Granted Jan 3, 1995·0 cites·5 claims
- 0530US5376643AComposition for application to hairLION CORP·Filed 1990·Granted Dec 27, 1994·2 cites·7 claims
- 0620US5439676AcAMP derivatives and use thereof for preventing or restoring grayed hair to its natural colorLION CORP·Filed 1994·Granted Aug 8, 1995·1 cites·11 claims
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