Masatoshi Haga

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
External composition containing ascorbic acid and/or salt thereof
- Patent number 12,263,239
- Issue date Apr 1, 2025
- Rohto Pharmaceutical Co., Ltd.
- Yu Kitaoka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
External composition containing ascorbic acid and/or salts thereof
- Patent number 11,166,938
- Issue date Nov 9, 2021
- Rohto Pharmaceutical Co., Ltd.
- Masatoshi Haga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composition for external application
- Patent number 10,835,572
- Issue date Nov 17, 2020
- Rohto Pharmaceutical Co., Ltd.
- Masatoshi Haga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
EXTERNAL COMPOSITION CONTAINING ASCORBIC ACID AND/OR SALT THEREOF
- Publication number 20210052481
- Publication date Feb 25, 2021
- Yu KITAOKA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
EXTERNAL COMPOSITION CONTAINING ASCORBIC ACID AND/OR SALTS THEREOF
- Publication number 20190151284
- Publication date May 23, 2019
- Rohto Pharmaceutical Co., Ltd.
- Masatoshi HAGA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Composition for External Application
- Publication number 20170209522
- Publication date Jul 27, 2017
- Rohto Pharmaceutical Co., Ltd.
- Masatoshi Haga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE