Atsushi UMEKI

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polycarbonate resin and optical member containing same
- Patent number 11,578,168
- Issue date Feb 14, 2023
- Teijin Limited
- Tatsuya Oyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
THERMOPLASTIC RESIN AND OPTICAL MEMBER INCLUDING SAME
- Publication number 20240010834
- Publication date Jan 11, 2024
- TEIJIN LIMITED
- Atsushi UMEKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE RESIN AND OPTICAL MEMBER CONTAINING SAME
- Publication number 20210040263
- Publication date Feb 11, 2021
- TEIJIN LIMITED
- Tatsuya OYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...