Yuichi MATSUNAGA

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication method for porous glass base material for optical fiber
- Patent number 11,518,704
- Issue date Dec 6, 2022
- Shin-Etsu Chemical Co., Ltd.
- Hiroki Kojima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber base material manufacturing apparatus
- Patent number 10,377,659
- Issue date Aug 13, 2019
- Shin-Etsu Chemical Co., Ltd.
- Masami Terashima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber base material manufacturing apparatus
- Patent number 9,758,422
- Issue date Sep 12, 2017
- Shin-Etsu Chemical Co., Ltd.
- Masami Terashima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing porous glass base material
- Patent number 9,731,993
- Issue date Aug 15, 2017
- Shin-Etsu Chemical Co., Ltd.
- Makoto Yoshida
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
FABRICATION METHOD FOR POROUS GLASS BASE MATERIAL FOR OPTICAL FIBER
- Publication number 20200255320
- Publication date Aug 13, 2020
- Shin-Etsu Chemical Co., Ltd.
- Hiroki KOJIMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER BASE MATERIAL MANUFACTURING APPARATUS
- Publication number 20170369358
- Publication date Dec 28, 2017
- Shin-Etsu Chemical Co., Ltd.
- Masami TERASHIMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING POROUS GLASS BASE MATERIAL
- Publication number 20160289113
- Publication date Oct 6, 2016
- Shin-Etsu Chemical Co., Ltd.
- Makoto YOSHIDA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER BASE MATERIAL MANUFACTURING APPARATUS
- Publication number 20160176749
- Publication date Jun 23, 2016
- Shin-Etsu Chemical Co., Ltd.
- Masami TERASHIMA
- C03 - GLASS MINERAL OR SLAG WOOL