Masahiko Sakai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
System and method for color-revitalizing hair
- Patent number 6,908,491
- Issue date Jun 21, 2005
- The Andrew Jergens Company
- Vince Fischer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Mirror for checking dyed hair color
- Patent number 6,824,387
- Issue date Nov 30, 2004
- Kao Corporation
- Masahiko Sakai
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Hair dye composition having a particular buffer capacity and contai...
- Patent number 6,248,314
- Issue date Jun 19, 2001
- Kao Corporation
- Atsushi Nakashimada
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair dye composition comprising acid dyes
- Patent number 6,096,099
- Issue date Aug 1, 2000
- Kao Corporation
- Naohiro Kariya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair cosmetic compositions
- Patent number 5,976,516
- Issue date Nov 2, 1999
- Kao Corporation
- Masahiko Sakai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Dyed hair color checking mirror
- Publication number 20030081332
- Publication date May 1, 2003
- Masahiko Sakai
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
System and method for color-revitalizing hair
- Publication number 20030074746
- Publication date Apr 24, 2003
- Vince Fischer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE