Yasuhiro Arai

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
XDSL modem
- Patent number 7,224,672
- Issue date May 29, 2007
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ADSL modem
- Patent number 6,778,595
- Issue date Aug 17, 2004
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fast retraining method, apparatus, and storage medium in an xDSL tr...
- Patent number 6,760,368
- Issue date Jul 6, 2004
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card-type radio communication device
- Patent number 6,336,039
- Issue date Jan 1, 2002
- Fujitsu Limited
- Yuzo Usui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmission level setting circuit and modem unit using the same
- Patent number 6,330,276
- Issue date Dec 11, 2001
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card-type radio communication device
- Patent number 6,298,245
- Issue date Oct 2, 2001
- Fujitsu Limited
- Yuzo Usui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modem apparatus
- Patent number 6,167,121
- Issue date Dec 26, 2000
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission level setting circuit and modem unit using the same
- Patent number 5,887,026
- Issue date Mar 23, 1999
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-functions I/O memory card which changes the control program i...
- Patent number 5,761,528
- Issue date Jun 2, 1998
- Fujitsu Limited
- Yasuhiro Arai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modem unit
- Patent number 5,655,009
- Issue date Aug 5, 1997
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card-type modem and method for communicating data by IC card-typ...
- Patent number 5,623,514
- Issue date Apr 22, 1997
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for arranging signal points in a quadrature amplitude modula...
- Patent number 5,515,400
- Issue date May 7, 1996
- Fujitsu Limited
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MODEM communication system having training means and method for tra...
- Patent number 4,868,850
- Issue date Sep 19, 1989
- Fujitsu Limited
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for timing pull-in of receiving equipment
- Patent number 4,694,469
- Issue date Sep 15, 1987
- Fujitsu Limited
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
xDSL modem
- Publication number 20070147431
- Publication date Jun 28, 2007
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
xDSL modem
- Publication number 20020150122
- Publication date Oct 17, 2002
- Yasuhiro Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yasuhiro Arai

Person

Patents Grantslast 30 patents

XDSL modem

ADSL modem

Fast retraining method, apparatus, and storage medium in an xDSL tr...

IC card-type radio communication device

Transmission level setting circuit and modem unit using the same

IC card-type radio communication device

Modem apparatus

Transmission level setting circuit and modem unit using the same

Multi-functions I/O memory card which changes the control program i...

Modem unit

IC card-type modem and method for communicating data by IC card-typ...

Method for arranging signal points in a quadrature amplitude modula...

MODEM communication system having training means and method for tra...

Method and device for timing pull-in of receiving equipment

Patents Applicationslast 30 patents

xDSL modem

xDSL modem