Hidemasa Aoki

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hair processing agent and method for permanent waving hair
- Patent number 8,961,946
- Issue date Feb 24, 2015
- Showa Denko K.K.
- Akira Shibuya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing β-mercapto carboxylic acids
- Patent number 8,258,340
- Issue date Sep 4, 2012
- Showa Denko K.K.
- Hidemasa Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production method of heterocyclic mercapto compound
- Patent number 7,902,383
- Issue date Mar 8, 2011
- Showa Denko K.K.
- Shinichi Yorozuya
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING BETA-MERCAPTO CARBOXYLIC ACIDS
- Publication number 20110015436
- Publication date Jan 20, 2011
- Showa Denko K.K.
- Hidemasa Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING B-MERCAPTOCARBOXYLIC ACIDS
- Publication number 20110004017
- Publication date Jan 6, 2011
- Showa Denko K.K.
- Akira Shibuya
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRODUCTION METHOD OF HETEROCYCLIC MERCAPTO COMPOUND
- Publication number 20090171095
- Publication date Jul 2, 2009
- SHOWA DENKO K.K.
- Shinichi Yorozuya
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hair Processing Agent And Method For Permanent Waving Hair
- Publication number 20080085251
- Publication date Apr 10, 2008
- Akira Shibuya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE