Etsurou Sakamoto

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 8,284,512
- Issue date Oct 9, 2012
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 7,359,137
- Issue date Apr 15, 2008
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 7,277,248
- Issue date Oct 2, 2007
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 7,265,927
- Issue date Sep 4, 2007
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 7,236,320
- Issue date Jun 26, 2007
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,894,860
- Issue date May 17, 2005
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,873,485
- Issue date Mar 29, 2005
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,778,344
- Issue date Aug 17, 2004
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,744,588
- Issue date Jun 1, 2004
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,744,584
- Issue date Jun 1, 2004
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,687,076
- Issue date Feb 3, 2004
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium and apparatus for protecting copyrighted digital data
- Patent number 6,490,113
- Issue date Dec 3, 2002
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium for protecting copyrighted data
- Patent number 6,437,933
- Issue date Aug 20, 2002
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing system for protecting copyrighted data
- Patent number 5,923,486
- Issue date Jul 13, 1999
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Cyclic digital filter
- Patent number 5,381,358
- Issue date Jan 10, 1995
- Sony Corporation
- Etsurou Sakamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for recording video information signals to avo...
- Patent number 5,287,196
- Issue date Feb 15, 1994
- Sony Corporation
- Keitaro Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonlinear preemphasis-deemphasis system
- Patent number 5,276,403
- Issue date Jan 4, 1994
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Emphasis apparatus disposed in either a record or playback system h...
- Patent number 5,276,562
- Issue date Jan 4, 1994
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing apparatus for videotape recorder/reproducer...
- Patent number 5,267,022
- Issue date Nov 30, 1993
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demodulator for FM modulated video signals with pre-demodulation si...
- Patent number 5,200,835
- Issue date Apr 6, 1993
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM demodulator for video tape recorder
- Patent number 5,119,199
- Issue date Jun 2, 1992
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuits for reducing noise in a video signal
- Patent number 5,105,274
- Issue date Apr 14, 1992
- Sony Corporation
- Etsurou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RECORDING MEDIUM AND APPARATUS FOR PROTECTING COPYRIGHTED DIGITAL DATA
- Publication number 20130108243
- Publication date May 2, 2013
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING MEDIUM AND APPARATUS FOR PROTECTING COPYRIGHTED DIGITAL DATA
- Publication number 20130100553
- Publication date Apr 25, 2013
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20080089664
- Publication date Apr 17, 2008
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20080013200
- Publication date Jan 17, 2008
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20070071420
- Publication date Mar 29, 2007
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20050265549
- Publication date Dec 1, 2005
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030206360
- Publication date Nov 6, 2003
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030184905
- Publication date Oct 2, 2003
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030184904
- Publication date Oct 2, 2003
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030179484
- Publication date Sep 25, 2003
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030179483
- Publication date Sep 25, 2003
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20030142434
- Publication date Jul 31, 2003
- Sony Corporation
- Koichi Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20020034032
- Publication date Mar 21, 2002
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Recording medium and apparatus for protecting copyrighted digital data
- Publication number 20010005292
- Publication date Jun 28, 2001
- Sony Corporation
- Koichi Sugiyama
- G11 - INFORMATION STORAGE

Etsurou Sakamoto

Person

Patents Grantslast 30 patents

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium for protecting copyrighted data

Recording and reproducing system for protecting copyrighted data

Cyclic digital filter

Method and apparatus for recording video information signals to avo...

Nonlinear preemphasis-deemphasis system

Emphasis apparatus disposed in either a record or playback system h...

Video signal processing apparatus for videotape recorder/reproducer...

Demodulator for FM modulated video signals with pre-demodulation si...

FM demodulator for video tape recorder

Circuits for reducing noise in a video signal

Patents Applicationslast 30 patents

RECORDING MEDIUM AND APPARATUS FOR PROTECTING COPYRIGHTED DIGITAL DATA

RECORDING MEDIUM AND APPARATUS FOR PROTECTING COPYRIGHTED DIGITAL DATA

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data

Recording medium and apparatus for protecting copyrighted digital data