Koichi Toyoda

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for controlling refractive index of silica glass
- Patent number 6,432,278
- Issue date Aug 13, 2002
- The Institute of Physical and Chemical Research
- Koji Sugioka
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method for controlling refractive index of silica glass
- Publication number 20010035339
- Publication date Nov 1, 2001
- Koji Sugioka
- C03 - GLASS MINERAL OR SLAG WOOL