Yutaka Nagasawa

Follow

Person

Ichikawa-shi, JP

People

Patents Grantslast 30 patents

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
Dispersion compensating optical fiber and dispersion compensating o...
- Patent number 6,965,719
- Issue date Nov 15, 2005
- Fujikura Ltd.
- Kazuhiko Aikawa
- G02 - OPTICS

Patents Applicationslast 30 patents

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 and dispersion compensating o...
- Publication number 20030049006
- Publication date Mar 13, 2003
- Kazuhiko Aikawa
- G02 - OPTICS