Yoshizumi Watatani

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for receiving and recording digital information
- Patent number 8,009,375
- Issue date Aug 30, 2011
- Hitachi Consumer Electronics Co., Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for transmitting digital audio and video information
- Patent number 7,952,823
- Issue date May 31, 2011
- Hitachi Consumer Electronics Co., Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for transmitting and receiving digital video a...
- Patent number 7,859,777
- Issue date Dec 28, 2010
- Hitachi Consumer Electronics Co., Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for transmitting and receiving digital video a...
- Patent number 7,808,733
- Issue date Oct 5, 2010
- Hitachi Consumer Electronics Co., Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for receiving compressed digital information
- Patent number 7,286,310
- Issue date Oct 23, 2007
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital information recording/reproducing apparatus
- Patent number 7,259,926
- Issue date Aug 21, 2007
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital information recording/reproducing method and apparatus
- Patent number 7,027,240
- Issue date Apr 11, 2006
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital information recording/reproducing apparatus
- Patent number 7,012,769
- Issue date Mar 14, 2006
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital information recording/reproducing apparatus
- Patent number 6,952,315
- Issue date Oct 4, 2005
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for transmitting and receiving digital informa...
- Patent number 6,590,726
- Issue date Jul 8, 2003
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 6,498,691
- Issue date Dec 24, 2002
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 6,324,025
- Issue date Nov 27, 2001
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 6,278,564
- Issue date Aug 21, 2001
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 6,069,757
- Issue date May 30, 2000
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 6,002,536
- Issue date Dec 14, 1999
- Hitachi Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,862,004
- Issue date Jan 19, 1999
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording reprodu...
- Patent number 5,699,203
- Issue date Dec 16, 1997
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,673,154
- Issue date Sep 30, 1997
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,671,095
- Issue date Sep 23, 1997
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,530,598
- Issue date Jun 25, 1996
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,517,368
- Issue date May 14, 1996
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method of storing image signals
- Patent number 5,459,585
- Issue date Oct 17, 1995
- Hitachi, Ltd.
- Hitoaki Owashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio signal recording and reproducing apparatus
- Patent number 5,396,372
- Issue date Mar 7, 1995
- Hitachi, Ltd.
- Shigeyuki Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital transmission signal processing system and recording/reprodu...
- Patent number 5,337,199
- Issue date Aug 9, 1994
- Hitachi, Ltd.
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio signal recording and playback apparatus of magnetic recording...
- Patent number 5,323,273
- Issue date Jun 21, 1994
- Hitachi, Ltd.
- Nobuo Azuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Video tape recorder/player
- Patent number 5,307,171
- Issue date Apr 26, 1994
- Hitachi, Ltd.
- Nobuo Azuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic video recording/reproducing apparatus for video signals of...
- Patent number 5,122,885
- Issue date Jun 16, 1992
- Hitachi, Ltd.
- Atsushi Yoshioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal recording and reproducing apparatus with signal proces...
- Patent number 4,994,923
- Issue date Feb 19, 1991
- Hitachi, Ltd.
- Shigeyuki Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual record/read head video recording and playback apparatus with f...
- Patent number 4,992,891
- Issue date Feb 12, 1991
- Hitachi, Ltd.
- Keiichi Komatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Chrominance signal reproducing apparatus for video tape recorder
- Patent number 4,991,026
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Osamu Takase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Digital Information Recording/Reproducing Apparatus
- Publication number 20080253743
- Publication date Oct 16, 2008
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20080069538
- Publication date Mar 20, 2008
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20060269254
- Publication date Nov 30, 2006
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20060098951
- Publication date May 11, 2006
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20060093332
- Publication date May 4, 2006
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20040126087
- Publication date Jul 1, 2004
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20040008977
- Publication date Jan 15, 2004
- Hideo Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital information recording/reproducing apparatus
- Publication number 20030190156
- Publication date Oct 9, 2003
- Hidoe Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for transmitting and receiving digital informa...
- Publication number 20030039044
- Publication date Feb 27, 2003
- Hideo Arai
- G11 - INFORMATION STORAGE
Information Patent Application
Digital transmission signal processing system and recording/reprodu...
- Publication number 20010052105
- Publication date Dec 13, 2001
- Hideo Arai
- G11 - INFORMATION STORAGE

Yoshizumi Watatani

Person

Patents Grantslast 30 patents

Apparatus and method for receiving and recording digital information

Method for transmitting digital audio and video information

Method and apparatus for transmitting and receiving digital video a...

Method and apparatus for transmitting and receiving digital video a...

Apparatus for receiving compressed digital information

Digital information recording/reproducing apparatus

Digital information recording/reproducing method and apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Apparatus and method for transmitting and receiving digital informa...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Digital transmission signal processing system and recording/reprodu...

Apparatus and method of storing image signals

Audio signal recording and reproducing apparatus

Digital transmission signal processing system and recording/reprodu...

Audio signal recording and playback apparatus of magnetic recording...

Video tape recorder/player

Magnetic video recording/reproducing apparatus for video signals of...

Video signal recording and reproducing apparatus with signal proces...

Dual record/read head video recording and playback apparatus with f...

Chrominance signal reproducing apparatus for video tape recorder

Patents Applicationslast 30 patents

Digital Information Recording/Reproducing Apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Digital information recording/reproducing apparatus

Apparatus and method for transmitting and receiving digital informa...

Digital transmission signal processing system and recording/reprodu...