Kazutomo Hasegawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Digital subscriber line transmission method, apparatus and system
- Patent number 7,423,984
- Issue date Sep 9, 2008
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Joint reduction of NEXT and FEXT in xDSL systems
- Patent number 7,394,752
- Issue date Jul 1, 2008
- The Board of Trusttees of the Leland Stanford Junior University
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line transmission method, apparatus and system
- Patent number 7,336,627
- Issue date Feb 26, 2008
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line transmission method, apparatus and system
- Patent number 7,286,495
- Issue date Oct 23, 2007
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line communicating system and a transceiver in t...
- Patent number 7,167,509
- Issue date Jan 23, 2007
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line communicating system and a transceiver in t...
- Patent number 7,072,386
- Issue date Jul 4, 2006
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resynchronous control apparatus of subscriber communication machine...
- Patent number 6,965,617
- Issue date Nov 15, 2005
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission system and receiver unit thereof
- Patent number 6,735,244
- Issue date May 11, 2004
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital subscriber line communicating system and a transceiver in t...
- Patent number 6,393,051
- Issue date May 21, 2002
- Fujitsu Limited
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Training method in a time domain equalizer and a digital data trans...
- Patent number 6,289,045
- Issue date Sep 11, 2001
- Fujitsu Limited
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Multiple qam modulation device, multiple qam demodulation device, a...
- Publication number 20060056537
- Publication date Mar 16, 2006
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital subscriber line transmission method, apparatus and system
- Publication number 20050237954
- Publication date Oct 27, 2005
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital subscriber line transmission method, apparatus and system
- Publication number 20050232171
- Publication date Oct 20, 2005
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital subscriber line communicating system and a transceiver in t...
- Publication number 20050157779
- Publication date Jul 21, 2005
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Joint reduction of NEXT and FEXT in xDSL systems
- Publication number 20030086362
- Publication date May 8, 2003
- The Board of Trustees of the Leland Stanford Junior University and Fujitsu Li...
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital subscriber line communicating system and a transceiver in t...
- Publication number 20020090039
- Publication date Jul 11, 2002
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bit allocation method and apparatus therefor
- Publication number 20020048334
- Publication date Apr 25, 2002
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resynchronous control apparatus of subscriber communication machine...
- Publication number 20010024454
- Publication date Sep 27, 2001
- FUJITSU LIMITED
- Kazutomo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazutomo Hasegawa

Person

Patents Grantslast 30 patents

Digital subscriber line transmission method, apparatus and system

Joint reduction of NEXT and FEXT in xDSL systems

Digital subscriber line transmission method, apparatus and system

Digital subscriber line transmission method, apparatus and system

Digital subscriber line communicating system and a transceiver in t...

Digital subscriber line communicating system and a transceiver in t...

Resynchronous control apparatus of subscriber communication machine...

Data transmission system and receiver unit thereof

Digital subscriber line communicating system and a transceiver in t...

Training method in a time domain equalizer and a digital data trans...

Patents Applicationslast 30 patents

Multiple qam modulation device, multiple qam demodulation device, a...

Digital subscriber line transmission method, apparatus and system

Digital subscriber line transmission method, apparatus and system

Digital subscriber line communicating system and a transceiver in t...

Joint reduction of NEXT and FEXT in xDSL systems

Digital subscriber line communicating system and a transceiver in t...

Bit allocation method and apparatus therefor

Resynchronous control apparatus of subscriber communication machine...