Reinald Gerhardt

Follow

Person

Andover, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength division multiplexing optical performance monitors
- Patent number 7,167,647
- Issue date Jan 23, 2007
- E. I. Du Pont de Nemours and Company
- Louay Eldada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization independent waveguide optical isolator and circulator
- Patent number 7,043,100
- Issue date May 9, 2006
- E. I. Du Pont de Nemours and Company
- Junichiro Fujita
- G02 - OPTICS
Information Patent Grant
Polarization independent waveguide optical isolator and circulator
- Patent number 7,035,492
- Issue date Apr 25, 2006
- E. I. du Pont de Nemous and Company
- Junichiro Fujita
- G02 - OPTICS
Information Patent Grant
Polarization independent waveguide optical isolator and circulator
- Patent number 6,947,619
- Issue date Sep 20, 2005
- E. I. Du Pont de Nemours and Company
- Junichiro Fujita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
- Publication number 20110164876
- Publication date Jul 7, 2011
- ENABLENCE USA COMPONENTS, INC.
- Junichiro FUJITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
- Publication number 20100086301
- Publication date Apr 8, 2010
- Junichiro FUJITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization independent waveguide optical isolator and circulator
- Publication number 20050134960
- Publication date Jun 23, 2005
- Junichiro Fujita
- G02 - OPTICS
Information Patent Application
Polarization independent waveguide optical isolator and circulator
- Publication number 20050069242
- Publication date Mar 31, 2005
- Junichiro Fujita
- G02 - OPTICS
Information Patent Application
Wavelength division multiplexing optical performance monitors
- Publication number 20030152385
- Publication date Aug 14, 2003
- Louay Eldada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization independent waveguide optical isolator and circulator
- Publication number 20020097946
- Publication date Jul 25, 2002
- Junichiro Fujita
- G02 - OPTICS