Isao Nakajima

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Patents Grantslast 30 patents

Information Patent Grant
Polarized wave scrambler and optical signal transmission apparatus
- Patent number 6,947,617
- Issue date Sep 20, 2005
- Fujitsu Limited
- Isao Nakajima
- G02 - OPTICS
Information Patent Grant
System and method for equalizing transmission characteristics in wa...
- Patent number 6,847,788
- Issue date Jan 25, 2005
- Fujitsu Limited
- Isao Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLO device
- Patent number 6,807,245
- Issue date Oct 19, 2004
- Fujitsu Limited
- Sadao Ibukuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Chromatic dispersion compensating apparatus and controlling method...
- Publication number 20040113060
- Publication date Jun 17, 2004
- FUJITSU LIMITED
- Yoshio Nabeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus with function of detecting status
- Publication number 20040013428
- Publication date Jan 22, 2004
- FUJITSU LIMITED
- Isao Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLO device
- Publication number 20030215043
- Publication date Nov 20, 2003
- FUJITSU LIMITED
- Sadao Ibukuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZED WAVE SCRAMBLER AND OPTICAL SIGNAL TRANSMISSION APPARATUS
- Publication number 20030185482
- Publication date Oct 2, 2003
- FUJITSU LIMITED
- Isao NAKAJIMA
- G02 - OPTICS
Information Patent Application
Method and device for transmitting an optical signal by polarizatio...
- Publication number 20030095734
- Publication date May 22, 2003
- FUJITSU LIMITED
- Isao Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for equalizing transmission characteristics in wa...
- Publication number 20010019436
- Publication date Sep 6, 2001
- Isao Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE