Yumi NAKAYAMA

Follow

Person

Kimitsu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polycarbonate-based resin, production method therefor, and polycarb...
- Patent number 12,024,629
- Issue date Jul 2, 2024
- Idemitsu Kosan Co., Ltd.
- Koichi Suga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Branched polycarbonate resin and method for producing same
- Patent number 10,239,993
- Issue date Mar 26, 2019
- Idemitsu Kosan Co., Ltd.
- Yumi Nakayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYCARBONATE-BASED RESIN, PRODUCTION METHOD THEREFOR, AND POLYCARB...
- Publication number 20210206967
- Publication date Jul 8, 2021
- Idemitsu Kosan Co.,Ltd
- Koichi SUGA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BRANCHED POLYCARBONATE RESIN AND METHOD FOR PRODUCING SAME
- Publication number 20170321003
- Publication date Nov 9, 2017
- Idemitsu Kosan Co., Ltd.
- Yumi NAKAYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE RESIN FOR LIQUID CRYSTAL MEMBERS, POLYCARBONATE RESIN...
- Publication number 20160083513
- Publication date Mar 24, 2016
- Idemitsu Kosan Co., Ltd.
- Junpei MARUYAMA
- G02 - OPTICS