Tatsuya OYAMA

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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-...
Information Patent Grant
Polyester resin or polyester carbonate resin, and optical member us...
- Patent number 11,566,102
- Issue date Jan 31, 2023
- Teijin Limited
- Kyosuke Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyester carbonate and method for producing polyester carbonate
- Patent number 11,505,698
- Issue date Nov 22, 2022
- Teijin Limited
- Kazunori Nunome
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYCARBONATE AND METHOD FOR PRODUCING POLYCARBONATE
- Publication number 20230051676
- Publication date Feb 16, 2023
- TEIJIN LIMITED
- Kazunori NUNOME
- G02 - OPTICS
Information Patent Application
OPTICAL LENS
- Publication number 20220146713
- Publication date May 12, 2022
- TEIJIN LIMITED
- Kyosuke YAMADA
- G02 - OPTICS
Information Patent Application
THERMOPLASTIC RESIN AND OPTICAL MEMBER
- Publication number 20220145005
- Publication date May 12, 2022
- TEIJIN LIMITED
- Tatsuya OYAMA
- G02 - OPTICS
Information Patent Application
POLY(ESTER)CARBONATE AND METHOD FOR PRODUCING POLY(ESTER)CARBONATE
- Publication number 20210371650
- Publication date Dec 2, 2021
- TEIJIN LIMITED
- Kazunori NUNOME
- 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-...
Information Patent Application
POLYESTER RESIN OR POLYESTER CARBONATE RESIN, AND OPTICAL MEMBER US...
- Publication number 20210002420
- Publication date Jan 7, 2021
- TEIJIN LIMITED
- Kyosuke YAMADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...