Kazumi YOSHIDA

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Artificial quartz member, process for producing the same, and optic...
- Patent number 8,257,675
- Issue date Sep 4, 2012
- Tokyo Denpa Co., Ltd.
- Noriyuki Agata
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
ARTIFICIAL QUARTZ MEMBER, PROCESS FOR PRODUCING THE SAME, AND OPTIC...
- Publication number 20090104103
- Publication date Apr 23, 2009
- Tokyo Denpa Co., Ltd.
- Noriyuki AGATA
- C30 - CRYSTAL GROWTH