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Patents Grantslast 30 patents

Information Patent Grant
Dye for hair coloration, composition for hair coloration containing...
- Patent number 11,273,110
- Issue date Mar 15, 2022
- Hodogaya Chemical Co., Ltd.
- Keigo Naito
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compound including basic dye and amino acid, hair dyeing dye, and h...
- Patent number 10,738,019
- Issue date Aug 11, 2020
- Hodogaya Chemical Co., Ltd.
- Keigo Naito
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
DYE FOR HAIR COLORATION, COMPOSITION FOR HAIR COLORATION CONTAINING...
- Publication number 20210267861
- Publication date Sep 2, 2021
- Hodogaya Chemical Co., Ltd.
- Keigo NAITO
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COMPOUND CONTAINING BASIC DYE AND AMINO ACID, HAIR DYING DYE, AND H...
- Publication number 20200071283
- Publication date Mar 5, 2020
- Hodogaya Chemical Co., Ltd.
- Keigo NAITO
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE