Akihiko KUMAGAE

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Minato-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cellulose ester composition
- Patent number 12,227,632
- Issue date Feb 18, 2025
- Daicel Corporation
- Takayuki Ogihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CELLULOSE ESTER COMPOSITION AND MOLDED ARTICLE
- Publication number 20240191058
- Publication date Jun 13, 2024
- DAICEL MIRAIZU LTD.
- Takayuki OGIHARA
- G02 - OPTICS
Information Patent Application
CELLULOSE ESTER COMPOSITION
- Publication number 20220177678
- Publication date Jun 9, 2022
- Daicel Miraizu Ltd.
- Takayuki OGIHARA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL