Masakazu Nakayama

Person

Sakura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,711,238
- Issue date May 4, 2010
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Dispersion compensating optical fiber and dispersion compensating o...
- Patent number 7,496,261
- Issue date Feb 24, 2009
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,406,236
- Issue date Jul 29, 2008
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Patent number 7,346,258
- Issue date Mar 18, 2008
- Fujikura Ltd.
- Masashi Ikeda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Dispersion compensating optical fiber
- Patent number 7,233,728
- Issue date Jun 19, 2007
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Dispersion compensating optical fiber and dispersion compensating o...
- Patent number 6,965,719
- Issue date Nov 15, 2005
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Dispersion compensating fiber and dispersion compensating fiber module
- Patent number 6,937,805
- Issue date Aug 30, 2005
- Fujikura, Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Grant
Optical transmission system
- Patent number 6,876,803
- Issue date Apr 5, 2005
- Fujikura Ltd.
- Kazuhiko Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...
- Publication number 20080025679
- Publication date Jan 31, 2008
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...
- Publication number 20060140565
- Publication date Jun 29, 2006
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
Dispersion compensating optical fiber and dispersion compensating o...
- Publication number 20060062534
- Publication date Mar 23, 2006
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Application
Dispersion compensating optical fiber
- Publication number 20050249471
- Publication date Nov 10, 2005
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Application
Optical fiber and optical fiber coupler, erbium-doped optical fiber...
- Publication number 20050135762
- Publication date Jun 23, 2005
- FUJIKURA LTD.
- Masashi Ikeda
- G02 - OPTICS
Information Patent Application
Optical transmission system
- Publication number 20030095766
- Publication date May 22, 2003
- FUJIKURA LTD.
- Kazuhiko Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensating fiber and dispersion compensating fiber module
- Publication number 20030095769
- Publication date May 22, 2003
- Kazuhiko Aikawa
- G02 - OPTICS
Information Patent Application
Dispersion compensating optical fiber and dispersion compensating o...
- Publication number 20030049006
- Publication date Mar 13, 2003
- Kazuhiko Aikawa
- G02 - OPTICS

Masakazu Nakayama

Person

Patents Grantslast 30 patents

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Dispersion compensating optical fiber and dispersion compensating o...

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Dispersion compensating optical fiber

Dispersion compensating optical fiber and dispersion compensating o...

Dispersion compensating fiber and dispersion compensating fiber module

Optical transmission system

Patents Applicationslast 30 patents

OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...

OPTICAL FIBER AND OPTICAL FIBER COUPLER, ERBIUM-DOPED OPTICAL FIBER...

Dispersion compensating optical fiber and dispersion compensating o...

Dispersion compensating optical fiber

Optical fiber and optical fiber coupler, erbium-doped optical fiber...

Optical transmission system

Dispersion compensating fiber and dispersion compensating fiber module

Dispersion compensating optical fiber and dispersion compensating o...