Hiroshi Yoshiura

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Digital signal recording/reproducing apparatus, receiving apparatus
- Patent number 8,346,061
- Issue date Jan 1, 2013
- Hitachi, Ltd.
- Toru Matsumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing apparatus, recording apparatus and display apparatus
- Patent number 8,311,219
- Issue date Nov 13, 2012
- Hitachi, Ltd.
- Osamu Kawamae
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing apparatus, recording apparatus and display apparatus
- Patent number 8,074,071
- Issue date Dec 6, 2011
- Hitachi, Ltd.
- Osamu Kawamae
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing apparatus, recording apparatus and display apparatus
- Patent number 7,779,256
- Issue date Aug 17, 2010
- Hitachi, Ltd.
- Osamu Kawamae
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and a device for sterilizing downloaded files
- Patent number 7,711,714
- Issue date May 4, 2010
- Hitachi, Ltd.
- Kazuo Takaragi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for recovering the validity of cryptographically...
- Patent number 7,694,126
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic document authenticity assurance method and electronic do...
- Patent number 7,526,645
- Issue date Apr 28, 2009
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of watermarking for binary images
- Patent number 7,499,565
- Issue date Mar 3, 2009
- Hitachi, Ltd.
- Yasuhiro Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for contents control
- Patent number 7,478,432
- Issue date Jan 13, 2009
- Hitachi, Ltd.
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for verifying a digital signature
- Patent number 7,441,115
- Issue date Oct 21, 2008
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reproducing apparatus, recording apparatus and display apparatus
- Patent number 7,379,547
- Issue date May 27, 2008
- Hitachi, Ltd.
- Osamu Kawamae
- G11 - INFORMATION STORAGE
Information Patent Grant
Data transmission method for embedded data, data transmitting and r...
- Patent number 7,317,738
- Issue date Jan 8, 2008
- Hitachi, Ltd.
- Osamu Kawamae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting digital watermark information
- Patent number 7,310,428
- Issue date Dec 18, 2007
- Hitachi, Ltd.
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for using contents
- Patent number 7,293,294
- Issue date Nov 6, 2007
- Hitachi, Ltd.
- Hiromi Ukai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data transmission method for embedded data, data transmitting and r...
- Patent number 7,248,607
- Issue date Jul 24, 2007
- Hitachi, Ltd.
- Osamu Kawamae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic document, genuineness management method for print medium...
- Patent number 7,224,820
- Issue date May 29, 2007
- Hitachi, Ltd.
- Hirofumi Inomata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Trusted computer system
- Patent number 7,210,043
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time stamp generating system
- Patent number 7,200,682
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for temporarily giving copy permission for rep...
- Patent number 7,151,888
- Issue date Dec 19, 2006
- Hitachi, Ltd.
- Tooru Matsumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and a device for managing a computer network
- Patent number 7,139,759
- Issue date Nov 21, 2006
- Hitachi, Ltd.
- Kazuo Takaragi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for recovering the validity of cryptographically...
- Patent number 7,134,021
- Issue date Nov 7, 2006
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Watermark information detection method
- Patent number 7,113,613
- Issue date Sep 26, 2006
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for embedding information and extracting the same
- Patent number 7,065,226
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital watermark data embedding method, and digital watermark data...
- Patent number 7,047,412
- Issue date May 16, 2006
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reproducing apparatus, recording apparatus and display apparatus
- Patent number 7,043,645
- Issue date May 9, 2006
- Hitachi, Ltd.
- Osamu Kawamae
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and apparatus for restricting copy of digital information...
- Patent number 6,990,584
- Issue date Jan 24, 2006
- Pioneer Corporation
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of extracting digital watermark information and method of ju...
- Patent number 6,970,575
- Issue date Nov 29, 2005
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of judging digital watermark information
- Patent number 6,959,101
- Issue date Oct 25, 2005
- Hitachi, Ltd.
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Additional information embedding method, additional information det...
- Patent number 6,954,856
- Issue date Oct 11, 2005
- Sony Corporation
- Takashi Kohashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for distributing multimedia data with management...
- Patent number 6,889,211
- Issue date May 3, 2005
- Hitachi, Ltd.
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS
- Publication number 20120134498
- Publication date May 31, 2012
- Osamu Kawamae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS
- Publication number 20110064227
- Publication date Mar 17, 2011
- Osamu Kawamae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...
- Publication number 20090193259
- Publication date Jul 30, 2009
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS
- Publication number 20080109907
- Publication date May 8, 2008
- Osamu Kawamae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and a device for managing a computer network
- Publication number 20070011174
- Publication date Jan 11, 2007
- Kazuo Takaragi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signal recording/reproducing apparatus, receiving apparatus...
- Publication number 20060188233
- Publication date Aug 24, 2006
- Hitachi, Ltd
- Tooru Matsumura
- G11 - INFORMATION STORAGE
Information Patent Application
Method and system for recovering the validity of cryptographically...
- Publication number 20060059357
- Publication date Mar 16, 2006
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital data authentication method
- Publication number 20050182939
- Publication date Aug 18, 2005
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of watermarking for binary images
- Publication number 20050025333
- Publication date Feb 3, 2005
- Yasuhiro Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic document authenticity assurance method and electronic do...
- Publication number 20050015600
- Publication date Jan 20, 2005
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of judging digital watermark information
- Publication number 20040120546
- Publication date Jun 24, 2004
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for verifying a digital signature
- Publication number 20040123107
- Publication date Jun 24, 2004
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for using contents
- Publication number 20040088549
- Publication date May 6, 2004
- Hitachi, Ltd.
- Hiromi Ukai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Reproducing apparatus, recording apparatus and display apparatus
- Publication number 20040071443
- Publication date Apr 15, 2004
- Osamu Kawamae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of extracting digital watermark information and method of ju...
- Publication number 20040062416
- Publication date Apr 1, 2004
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic document, genuineness management method for print medium...
- Publication number 20040052400
- Publication date Mar 18, 2004
- Hitachi, Ltd
- Hirofumi Inomata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Watermarking application system for broadcast contents copyright pr...
- Publication number 20040025023
- Publication date Feb 5, 2004
- Takaaki Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of detecting digital watermark information
- Publication number 20040008865
- Publication date Jan 15, 2004
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for embedding digital watermark information
- Publication number 20040008923
- Publication date Jan 15, 2004
- Kousuke Anzai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data protection system
- Publication number 20030221115
- Publication date Nov 27, 2003
- Shinji Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Time stamp generating system
- Publication number 20030212828
- Publication date Nov 13, 2003
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Reproducing apparatus, recording apparatus and display apparatus
- Publication number 20030200461
- Publication date Oct 23, 2003
- Osamu Kawamae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for authentication
- Publication number 20030084294
- Publication date May 1, 2003
- Hirokazu Aoshima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of extracting digital watermark information and method of ju...
- Publication number 20030021444
- Publication date Jan 30, 2003
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method, systems and computer program products for checking the vali...
- Publication number 20030018896
- Publication date Jan 23, 2003
- Hirokazu Aoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Watermark information detection method
- Publication number 20020186861
- Publication date Dec 12, 2002
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for contents control
- Publication number 20020188840
- Publication date Dec 12, 2002
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Trusted computer system
- Publication number 20020174369
- Publication date Nov 21, 2002
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for recording and reproducing electronic water...
- Publication number 20020136431
- Publication date Sep 26, 2002
- Hiroyuki Kimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tamper-resistant computer system
- Publication number 20020116632
- Publication date Aug 22, 2002
- Hitachi, Ltd
- Shinji Itoh
- G06 - COMPUTING CALCULATING COUNTING

Hiroshi Yoshiura

Person

Patents Grantslast 30 patents

Digital signal recording/reproducing apparatus, receiving apparatus

Reproducing apparatus, recording apparatus and display apparatus

Reproducing apparatus, recording apparatus and display apparatus

Reproducing apparatus, recording apparatus and display apparatus

Method and a device for sterilizing downloaded files

Method and system for recovering the validity of cryptographically...

Electronic document authenticity assurance method and electronic do...

Method of watermarking for binary images

Method and system for contents control

Method for verifying a digital signature

Reproducing apparatus, recording apparatus and display apparatus

Data transmission method for embedded data, data transmitting and r...

Method of detecting digital watermark information

Method and apparatus for using contents

Data transmission method for embedded data, data transmitting and r...

Electronic document, genuineness management method for print medium...

Trusted computer system

Time stamp generating system

Method and apparatus for temporarily giving copy permission for rep...

Method and a device for managing a computer network

Method and system for recovering the validity of cryptographically...

Watermark information detection method

Method for embedding information and extracting the same

Digital watermark data embedding method, and digital watermark data...

Reproducing apparatus, recording apparatus and display apparatus

Method of and apparatus for restricting copy of digital information...

Method of extracting digital watermark information and method of ju...

Method of judging digital watermark information

Additional information embedding method, additional information det...

Method and system for distributing multimedia data with management...

Patents Applicationslast 30 patents

REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS

REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS

ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...

REPRODUCING APPARATUS, RECORDING APPARATUS AND DISPLAY APPARATUS

Method and a device for managing a computer network

Digital signal recording/reproducing apparatus, receiving apparatus...

Method and system for recovering the validity of cryptographically...

Digital data authentication method

Method of watermarking for binary images

Electronic document authenticity assurance method and electronic do...

Method of judging digital watermark information

Method for verifying a digital signature

Method and apparatus for using contents

Reproducing apparatus, recording apparatus and display apparatus

Method of extracting digital watermark information and method of ju...

Electronic document, genuineness management method for print medium...

Watermarking application system for broadcast contents copyright pr...

Method of detecting digital watermark information

Method for embedding digital watermark information

Data protection system

Time stamp generating system

Reproducing apparatus, recording apparatus and display apparatus

System and method for authentication

Method of extracting digital watermark information and method of ju...

Method, systems and computer program products for checking the vali...

Watermark information detection method

Method and system for contents control

Trusted computer system

Method and apparatus for recording and reproducing electronic water...

Tamper-resistant computer system