Yoshiura; Hiroshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoshiura; Hiroshi.The latest application filed is for "reproducing apparatus, recording apparatus and display apparatus".

Company Profile

0.55.41

Yoshiura; Hiroshi - Tokyo JP
Yoshiura; Hiroshi - Kawasaki JP
Yoshiura; Hiroshi - Kawasaki-shi JP
Yoshiura; Hiroshi - Bunkyo-ku JP
Yoshiura; Hiroshi - Yokohama JP
Yoshiura; Hiroshi - Hitachi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Digital signal recording/reproducing apparatus, receiving apparatus Grant 8,346,061 - Matsumura , et al. January 1, 2	2013-01-01
Reproducing apparatus, recording apparatus and display apparatus Grant 8,311,219 - Kawamae , et al. November 13, 2	2012-11-13
Reproducing Apparatus, Recording Apparatus And Display Apparatus App 20120134498 - KAWAMAE; Osamu ; et al.	2012-05-31
Reproducing apparatus, recording apparatus and display apparatus Grant 8,074,071 - Kawamae , et al. December 6, 2	2011-12-06
Reproducing Apparatus, Recording Apparatus And Display Apparatus App 20110064227 - Kawamae; Osamu ; et al.	2011-03-17
Reproducing apparatus, recording apparatus and display apparatus Grant 7,779,256 - Kawamae , et al. August 17, 2	2010-08-17
Method and a device for sterilizing downloaded files Grant 7,711,714 - Takaragi , et al. May 4, 2	2010-05-04
Method and system for recovering the validity of cryptographically signed digital data Grant 7,694,126 - Miyazaki , et al. April 6, 2	2010-04-06
Electronic Document Authenticity Assurance Method And Electronic Document Disclosure System App 20090193259 - Miyazaki; Kunihiko ; et al.	2009-07-30
Electronic document authenticity assurance method and electronic document disclosure system Grant 7,526,645 - Miyazaki , et al. April 28, 2	2009-04-28
Method of watermarking for binary images Grant 7,499,565 - Fujii , et al. March 3, 2	2009-03-03
Method and system for contents control Grant 7,478,432 - Echizen , et al. January 13, 2	2009-01-13
Method for verifying a digital signature Grant 7,441,115 - Miyazaki , et al. October 21, 2	2008-10-21
Reproducing apparatus, recording apparatus and display apparatus Grant 7,379,547 - Kawamae , et al. May 27, 2	2008-05-27
Reproducing Apparatus, Recording Apparatus And Display Apparatus App 20080109907 - KAWAMAE; Osamu ; et al.	2008-05-08
Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor Grant 7,317,738 - Kawamae , et al. January 8, 2	2008-01-08
Method of detecting digital watermark information Grant 7,310,428 - Anzai , et al. December 18, 2	2007-12-18
Method and apparatus for using contents Grant 7,293,294 - Ukai , et al. November 6, 2	2007-11-06
Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor Grant 7,248,607 - Kawamae , et al. July 24, 2	2007-07-24
Electronic document, genuineness management method for print medium thereof, genuineness management system, program, and program recording medium Grant 7,224,820 - Inomata , et al. May 29, 2	2007-05-29
Trusted computer system Grant 7,210,043 - Miyazaki , et al. April 24, 2	2007-04-24
Time stamp generating system Grant 7,200,682 - Miyazaki , et al. April 3, 2	2007-04-03
Method and a device for managing a computer network App 20070011174 - Takaragi; Kazuo ; et al.	2007-01-11
Method and apparatus for temporarily giving copy permission for reproducing digital signals Grant 7,151,888 - Matsumura , et al. December 19, 2	2006-12-19
Method and a device for managing a computer network Grant 7,139,759 - Takaragi , et al. November 21, 2	2006-11-21
Method and system for recovering the validity of cryptographically signed digital data Grant 7,134,021 - Miyazaki , et al. November 7, 2	2006-11-07
Watermark information detection method Grant 7,113,613 - Echizen , et al. September 26, 2	2006-09-26
Digital signal recording/reproducing apparatus, receiving apparatus and transmitting method App 20060188233 - Matsumura; Tooru ; et al.	2006-08-24
Method for embedding information and extracting the same Grant 7,065,226 - Anzai , et al. June 20, 2	2006-06-20
Digital watermark data embedding method, and digital watermark data embeddability analyzing method Grant 7,047,412 - Echizen , et al. May 16, 2	2006-05-16
Reproducing apparatus, recording apparatus and display apparatus Grant 7,043,645 - Kawamae , et al. May 9, 2	2006-05-09
Method and system for recovering the validity of cryptographically signed digital data App 20060059357 - Miyazaki; Kunihiko ; et al.	2006-03-16
Method of and apparatus for restricting copy of digital information, and apparatus for recording digital information Grant 6,990,584 - Yoshiura , et al. January 24, 2	2006-01-24
Method of extracting digital watermark information and method of judging bit value of digital watermark information Grant 6,970,575 - Echizen , et al. November 29, 2	2005-11-29
Method of judging digital watermark information Grant 6,959,101 - Yoshiura , et al. October 25, 2	2005-10-25
Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatus Grant 6,954,856 - Kohashi , et al. October 11, 2	2005-10-11
Digital data authentication method App 20050182939 - Yoshiura, Hiroshi ; et al.	2005-08-18
Method and system for distributing multimedia data with management information Grant 6,889,211 - Yoshiura , et al. May 3, 2	2005-05-03
System and method of searching for electronic data Grant 6,879,978 - Yoshiura , et al. April 12, 2	2005-04-12
Copy protection apparatus and method Grant 6,865,553 - Morito , et al. March 8, 2	2005-03-08
Contents rendering control method, contents reproducing equipment, and contents distribution equipment Grant 6,865,677 - Echizen , et al. March 8, 2	2005-03-08
Method of watermarking for binary images App 20050025333 - Fujii, Yasuhiro ; et al.	2005-02-03
Electronic document authenticity assurance method and electronic document disclosure system App 20050015600 - Miyazaki, Kunihiko ; et al.	2005-01-20
Method and system for embedding information into contents Grant 6,826,291 - Yoshiura , et al. November 30, 2	2004-11-30
Method of physical individual authentication and system using the same Grant 6,775,775 - Yoshiura , et al. August 10, 2	2004-08-10
Method for verifying a digital signature App 20040123107 - Miyazaki, Kunihiko ; et al.	2004-06-24
Method of judging digital watermark information App 20040120546 - Yoshiura, Hiroshi ; et al.	2004-06-24
Method and apparatus for using contents App 20040088549 - Ukai, Hiromi ; et al.	2004-05-06
Water-mark embedding method and system Grant 6,728,408 - Echizen , et al. April 27, 2	2004-04-27
Reproducing apparatus, recording apparatus and display apparatus App 20040071443 - Kawamae, Osamu ; et al.	2004-04-15
Method of extracting digital watermark information and method of judging bit value of digital watermark information App 20040062416 - Echizen, Isao ; et al.	2004-04-01
Control method and apparatus for embedding information in data Grant 6,711,276 - Yoshiura , et al. March 23, 2	2004-03-23
Electronic document, genuineness management method for print medium thereof, genuineness management system, program, and program recording medium App 20040052400 - Inomata, Hirofumi ; et al.	2004-03-18
Steganographic system, method, program and storage medium therefor Grant 6,707,927 - Kita , et al. March 16, 2	2004-03-16
Method and apparatus for recording and reproducing electronic watermark information, and recording medium Grant 6,690,813 - Kimura , et al. February 10, 2	2004-02-10
Watermarking application system for broadcast contents copyright protection App 20040025023 - Yamada, Takaaki ; et al.	2004-02-05
Method of detecting digital watermark information App 20040008865 - Anzai, Kousuke ; et al.	2004-01-15
Method for embedding digital watermark information App 20040008923 - Anzai, Kousuke ; et al.	2004-01-15
Method of judging digital watermark information Grant 6,665,417 - Yoshiura , et al. December 16, 2	2003-12-16
Recording device Grant 6,658,135 - Morito , et al. December 2, 2	2003-12-02
Data protection system App 20030221115 - Itoh, Shinji ; et al.	2003-11-27
Method of extracting digital watermark information and method of judging bit value of digital watermark information Grant 6,650,763 - Echizen , et al. November 18, 2	2003-11-18
Time stamp generating system App 20030212828 - Miyazaki, Kunihiko ; et al.	2003-11-13
Reproducing apparatus, recording apparatus and display apparatus App 20030200461 - Kawamae, Osamu ; et al.	2003-10-23
Method of extracting digital watermark information and method of judging bit value of digital watermark information Grant 6,563,935 - Echizen , et al. May 13, 2	2003-05-13
System and method for authentication App 20030084294 - Aoshima, Hirokazu ; et al.	2003-05-01
Method and apparatus for recording and reproducing electronic watermark information, and recording medium Grant 6,535,614 - Kimura , et al. March 18, 2	2003-03-18
Method of extracting digital watermark information and method of judging bit value of digital watermark information App 20030021444 - Echizen, Isao ; et al.	2003-01-30
Method, systems and computer program products for checking the validity of data App 20030018896 - Aoshima, Hirokazu ; et al.	2003-01-23
Digital data authentication method Grant 6,499,105 - Yoshiura , et al. December 24, 2	2002-12-24
Method and system for contents control App 20020188840 - Echizen, Isao ; et al.	2002-12-12
Watermark information detection method App 20020186861 - Echizen, Isao ; et al.	2002-12-12
Trusted computer system App 20020174369 - Miyazaki, Kunihiko ; et al.	2002-11-21
Method and apparatus for recording and reproducing electronic watermark information, and recording medium App 20020136431 - Kimura, Hiroyuki ; et al.	2002-09-26
Tamper-resistant computer system App 20020116632 - Itoh, Shinji ; et al.	2002-08-22
Digital data authentication method App 20020095579 - Yoshiura, Hiroshi ; et al.	2002-07-18
Method of authenticating digital-watermark pictures Grant 6,418,232 - Nakano , et al. July 9, 2	2002-07-09
Data decompression/decryption method and system Grant 6,411,714 - Yoshiura , et al. June 25, 2	2002-06-25
Method and system for embedding information into contents App 20020076086 - Yoshiura, Hiroshi ; et al.	2002-06-20
Digital signal recording/reproducing apparatus, receiving apparatus and transmitting method App 20020071648 - Matsumura, Tooru ; et al.	2002-06-13
Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor Grant 6,404,781 - Kawamae , et al. June 11, 2	2002-06-11
System and method of searching for electronic data App 20020065819 - Yoshiura, Hiroshi ; et al.	2002-05-30
Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor App 20020048282 - Kawamae, Osamu ; et al.	2002-04-25
Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor App 20020049953 - Kawamae, Osamu ; et al.	2002-04-25
Copy protection apparatus and method App 20020046178 - Morito, Hajime ; et al.	2002-04-18
Method and apparatus for recording and reproducing electronic watermark information, and recording medium App 20020025060 - Kimura, Hiroyuki ; et al.	2002-02-28
Method and system for recovering the validity of cryptographically signed digital data App 20020023221 - Miyazaki, Kunihiko ; et al.	2002-02-21
Method and a device for managing a computer network App 20020016928 - Takaragi, Kazuo ; et al.	2002-02-07
Digital watermark data embedding method, and digital watermark data embeddability analyzing method App 20020007403 - Echizen, Isao ; et al.	2002-01-17
Method and device for managing computer network Grant 6,311,277 - Takaragi , et al. October 30, 2	2001-10-30
Digital data authentication method Grant 6,131,162 - Yoshiura , et al. October 10, 2	2000-10-10
Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same Grant 5,872,530 - Domyo , et al. February 16, 1	1999-02-16
Method for retrieving case for problem and inferring solution of the problem and system thereof Grant 5,319,739 - Yoshiura , et al. June 7, 1	1994-06-07
Case-based inference processing method Grant 5,243,689 - Yoshiura , et al. September 7, 1	1993-09-07
Inference method and system Grant 4,959,799 - Yoshiura , et al. September 25, 1	1990-09-25
Method and apparatus of intelligent guidance in natural language Grant 4,736,296 - Katayama , et al. April 5, 1	1988-04-05

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