Kiichiro Kawasaki

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Single mode optical fiber and manufacturing method thereof
- Patent number 11,269,138
- Issue date Mar 8, 2022
- Sumitomo Electric Industries, Ltd.
- Kiichiro Kawasaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for drawing glass parent material and drawing machine for us...
- Patent number 7,886,561
- Issue date Feb 15, 2011
- Sumitomo Electric Industries, Ltd.
- Kiichiro Kawasaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber, method of making optical fiber preform, and method o...
- Patent number 6,892,019
- Issue date May 10, 2005
- Sumitomo Electric Industries, Ltd.
- Katsuya Nagayama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber, method of making optical fiber preform, and method o...
- Patent number 6,681,072
- Issue date Jan 20, 2004
- Sumitomo Electric Industries Co., Ltd.
- Katsuya Nagayama
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
SINGLE MODE OPTICAL FIBER AND MANUFACTURING METHOD THEREOF
- Publication number 20210026064
- Publication date Jan 28, 2021
- Sumitomo Electric Industries, Ltd.
- Kiichiro KAWASAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method for drawing glass patent material and drawing machine for us...
- Publication number 20050172672
- Publication date Aug 11, 2005
- Kiichiro Kawasaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical fiber, method of making optical fiber preform, and method o...
- Publication number 20040151455
- Publication date Aug 5, 2004
- Sumitomo Electric Industries, Ltd.
- Katsuya Nagayama
- G02 - OPTICS
Information Patent Application
Optical fiber, method of making optical fiber preform, and method o...
- Publication number 20020031320
- Publication date Mar 14, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Katsuya Nagayama
- C03 - GLASS MINERAL OR SLAG WOOL