Keisuke Uchiyama

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber, transmission system, and wavelength division multipl...
- Patent number 7,526,168
- Issue date Apr 28, 2009
- Fujikura Ltd.
- Shoichiro Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-tube burner and glass preform manufacturing method using the...
- Patent number 7,165,425
- Issue date Jan 23, 2007
- Fujikura Ltd.
- Keisuke Uchiyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber, optical fiber preform, and manufacturing method ther...
- Patent number 7,069,748
- Issue date Jul 4, 2006
- Fujikura, Ltd.
- Keisuke Uchiyama
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE
- Publication number 20210048582
- Publication date Feb 18, 2021
- FUJIKURA LTD.
- Keisuke Uchiyama
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER, TRANSMISSION SYSTEM, AND WAVELENGTH DIVISION MULTIPL...
- Publication number 20080013906
- Publication date Jan 17, 2008
- FUJIKURA LTD.
- Shoichiro Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-tube burner and glass preform manufacturing method using the...
- Publication number 20040065120
- Publication date Apr 8, 2004
- FUJIKURA LTD.
- Keisuke Uchiyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical fiber,optical fiber preform, and manufacturing method therefor
- Publication number 20030091308
- Publication date May 15, 2003
- Keisuke Uchiyama
- G02 - OPTICS