Tomoichi Kumata

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Koriyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Titanium-containing quartz glass having excellent UV absorption, an...
- Patent number 12,286,374
- Issue date Apr 29, 2025
- Shin-Etsu Quartz Products Co., Ltd.
- Atsushi Shimada
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Synthetic silica glass, especially for the cladding of an optical f...
- Patent number 9,067,823
- Issue date Jun 30, 2015
- Heraeus Quarzglas GmbH & Co. KG
- Tatsuhiro Sato
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
TITANIUM-CONTAINING QUARTZ GLASS HAVING EXCELLENT UV ABSORPTION, AN...
- Publication number 20220204387
- Publication date Jun 30, 2022
- Shin-Etsu Quartz Products Co., Ltd.
- Atsushi SHIMADA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SYNTHETIC SILICA GLASS, ESPECIALLY FOR THE CLADDING OF AN OPTICAL F...
- Publication number 20120269711
- Publication date Oct 25, 2012
- Shin-Etsu Quartz Products Co., Ltd.
- Tatsuhiro Sato
- C03 - GLASS MINERAL OR SLAG WOOL