Matsushita; Tatsuyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsushita; Tatsuyuki.The latest application filed is for "remote access control system".

Company Profile

5.99.136

Matsushita; Tatsuyuki - Nerima JP
Matsushita; Tatsuyuki - Tokyo JP
Matsushita; Tatsuyuki - Koto-ku JP
Matsushita; Tatsuyuki - Kawasaki JP
Matsushita; Tatsuyuki - Koto Tokyo JP
MATSUSHITA; Tatsuyuki - Kawasaki-shi JP
Matsushita; Tatsuyuki - Kanagawa JP
MATSUSHITA; Tatsuyuki - Yokohama-shi JP
Matsushita; Tatsuyuki - Yokohama 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
Remote access control system Grant 11,397,821 - Oya , et al. July 26, 2	2022-07-26
Remote Access Control System App 20210019431 - OYA; Toshiharu ; et al.	2021-01-21
Information processing device, information processing method and computer program product Grant 10,521,320 - Haruki , et al. Dec	2019-12-31
Management apparatus, computer program product, system, device, and method Grant 10,447,469 - Hanatani , et al. Oc	2019-10-15
Authenticator, authenticatee and authentication method Grant 10,361,851 - Kato , et al.	2019-07-23
Authenticator, authenticatee and authentication method Grant 10,361,850 - Kato , et al.	2019-07-23
Re-encryption key generator, re-encryption apparatus, encryption apparatus, decryption apparatus, and storage medium Grant 10,187,207 - Hayashi , et al. Ja	2019-01-22
Encrypted data computation system, device, and program Grant 10,116,439 - Koike , et al. October 30, 2	2018-10-30
Information processing device, computer program product, and testing system with acquiring total execution history Grant 10,095,607 - Aoki , et al. October 9, 2	2018-10-09
Authenticator, Authenticatee And Authentication Method App 20180227123 - KATO; Taku ; et al.	2018-08-09
Authenticator, Authenticatee And Authentication Method App 20180097623 - KATO; Taku ; et al.	2018-04-05
Authenticator, authenticatee and authentication method Grant 9,887,841 - Kato , et al. February 6, 2	2018-02-06
Re-encryption key generator, re-encryption device, encryption device, decryption device, and program Grant 9,819,487 - Fujii , et al. November 14, 2	2017-11-14
Information Processing Device, Information Processing Method And Computer Program Product App 20170270020 - HARUKI; Hiroyoshi ; et al.	2017-09-21
Information Processing Device, Computer Program Product And Test System App 20170270033 - AOKI; Satoshi ; et al.	2017-09-21
Management Apparatus, Computer Program Product, System, Device, And Method App 20170180120 - HANATANI; Yoshikazu ; et al.	2017-06-22
Information Processing Apparatus, Testing System, Information Processing Method, And Computer-readable Recording Medium App 20170075784 - NAKANISHI; Fukutomo ; et al.	2017-03-16
Authenticator, authenticatee and authentication method Grant 9,544,138 - Nagai , et al. January 10, 2	2017-01-10
Re-encryption Key Generator, Re-encryption Apparatus, Encryption Apparatus, Decryption Apparatus, And Storage Medium App 20160380767 - HAYASHI; Ryotaro ; et al.	2016-12-29
Key management device, communication device, communication system, and computer program product Grant 9,515,827 - Hanatani , et al. December 6, 2	2016-12-06
Server apparatus and program to re-encrypt ciphertext data Grant 9,426,131 - Hayashi , et al. August 23, 2	2016-08-23
Information recording device Grant 9,413,532 - Kato , et al. August 9, 2	2016-08-09
Data recording device, and method of processing data recording device Grant 9,319,389 - Kato , et al. April 19, 2	2016-04-19
Information recording device Grant 9,294,285 - Kato , et al. March 22, 2	2016-03-22
Memory and storage devices to be authenicated using a host device, authenication system and host device Grant 9,253,169 - Nagai , et al. February 2, 2	2016-02-02
Re-encryption key generator, re-encryption apparatus, and program Grant 9,246,683 - Hayashi , et al. January 26, 2	2016-01-26
Encrypted Data Computation System, Device, And Program App 20160006563 - KOIKE; Masanobu ; et al.	2016-01-07
Authenticator, authenticatee and authentication method Grant 9,225,513 - Kato , et al. December 29, 2	2015-12-29
Device and authentication method therefor Grant 9,201,811 - Nagai , et al. December 1, 2	2015-12-01
Security System App 20150341345 - NAGAI; Yuji ; et al.	2015-11-26
Host Device And Authentication Method For Host Device App 20150326397 - NAGAI; Yuji ; et al.	2015-11-12
Information Recording Device App 20150326400 - KATO; Taku ; et al.	2015-11-12
Authentication method Grant 9,183,159 - Nagai , et al. November 10, 2	2015-11-10
Host device, semiconductor memory device, and authentication method Grant 9,160,531 - Kato , et al. October 13, 2	2015-10-13
Host device and authentication method for host device Grant 9,124,432 - Nagai , et al. September 1, 2	2015-09-01
Authenticator Grant 9,100,187 - Kato , et al. August 4, 2	2015-08-04
Information recording device Grant 9,094,193 - Kato , et al. July 28, 2	2015-07-28
Re-encryption Key Generator, Re-encryption Device, Encryption Device, Decryption Device, And Program App 20150180661 - FUJII; Yoshihiro ; et al.	2015-06-25
Device and method for certifying one's own authenticity Grant 8,995,657 - Nagai , et al. March 31, 2	2015-03-31
Host device, semiconductor memory device, and authentication method Grant 8,990,571 - Kato , et al. March 24, 2	2015-03-24
Cryptographic device for secure authentication Grant 8,989,374 - Nagai , et al. March 24, 2	2015-03-24
System of authenticating an individual memory device via reading data including prohibited data and readable data Grant 8,984,294 - Nagai , et al. March 17, 2	2015-03-17
Security System App 20150074421 - Nagai; Yuji ; et al.	2015-03-12
Host Device And Authentication Method For Host Device App 20150074394 - Nagai; Yuji ; et al.	2015-03-12
Memory Device And Memory System App 20150074406 - Nagai; Yuji ; et al.	2015-03-12
Information recording device Grant 8,971,529 - Kato , et al. March 3, 2	2015-03-03
Host Device, Semiconductor Memory Device, And Authentication Method App 20150046720 - KATO; Taku ; et al.	2015-02-12
Host device Grant 8,948,400 - Kato , et al. February 3, 2	2015-02-03
Memory device authentication Grant 8,949,621 - Nagai , et al. February 3, 2	2015-02-03
Authentication method Grant 8,938,616 - Nagai , et al. January 20, 2	2015-01-20
Authentication method Grant 8,930,720 - Nagai , et al. January 6, 2	2015-01-06
Device Grant 8,898,463 - Nagai , et al. November 25, 2	2014-11-25
Information Recording Device App 20140344582 - KATO; Taku ; et al.	2014-11-20
Information processing device and computer program product Grant 8,885,870 - Matsushita , et al. November 11, 2	2014-11-11
Storage device, access device, and program product Grant 8,861,723 - Kambayashi , et al. October 14, 2	2014-10-14
Device and authentication method therefor Grant 8,855,297 - Nagai , et al. October 7, 2	2014-10-07
Data recording device, and method of processing data recording device Grant 8,850,207 - Kato , et al. September 30, 2	2014-09-30
Authenticator, Authenticatee And Authentication Method App 20140289526 - Nagai; Yuji ; et al.	2014-09-25
Data Recording Device, And Method Of Processing Data Recording Device App 20140281551 - KATO; Taku ; et al.	2014-09-18
Method Of Authenticating Access To Memory Device App 20140281564 - NAGAI; Yuji ; et al.	2014-09-18
Memory Device Authentication Process App 20140281563 - NAGAI; Yuji ; et al.	2014-09-18
Host Device Configured For Authentication With Memory Device App 20140281543 - KATO; Taku ; et al.	2014-09-18
Method Of Performing An Authentication Process Between Data Recording Device And Host Device App 20140281570 - KATO; Taku ; et al.	2014-09-18
Device App 20140250302 - Nagai; Yuji ; et al.	2014-09-04
Device And Authentication Method Therefor App 20140241527 - Nagai; Yuji ; et al.	2014-08-28
Device And Authentication Method Therefor App 20140245023 - NAGAI; Yuji ; et al.	2014-08-28
Device And Authentication Method Therefor App 20140245011 - Nagai; Yuji ; et al.	2014-08-28
Device And Authentication Method Therefor App 20140245010 - Nagai; Yuji ; et al.	2014-08-28
Device And Authentication Method Therefor App 20140245024 - Nagai; Yuji ; et al.	2014-08-28
Device and authentication method therefor Grant 8,812,843 - Nagai , et al. August 19, 2	2014-08-19
Authentication Method App 20140229746 - NAGAI; Yuji ; et al.	2014-08-14
Device And Authentication Method Therefor App 20140229740 - Nagai; Yuji ; et al.	2014-08-14
Information Recording Device App 20140223173 - KATO; Taku ; et al.	2014-08-07
Device App 20140223188 - NAGAI; Yuji ; et al.	2014-08-07
Server Apparatus And Program App 20140208117 - HAYASHI; Ryotaro ; et al.	2014-07-24
Authentication device Grant 8,762,717 - Nagai , et al. June 24, 2	2014-06-24
Memory Grant 8,761,389 - Nagai , et al. June 24, 2	2014-06-24
Key Management Device, Communication Device, Communication System, And Computer Program Product App 20140173283 - HANATANI; Yoshikazu ; et al.	2014-06-19
Device Grant 8,751,814 - Nagai , et al. June 10, 2	2014-06-10
Data recording device, host device and method of processing data recording device Grant 8,745,391 - Kato , et al. June 3, 2	2014-06-03
Semiconductor memory device Grant 8,732,466 - Nagai , et al. May 20, 2	2014-05-20
Device App 20140136841 - NAGAI; Yuji ; et al.	2014-05-15
Authentication method Grant 8,726,024 - Nagai , et al. May 13, 2	2014-05-13
Information Recording Device App 20140119541 - KATO; Taku ; et al.	2014-05-01
Authenticator App 20140122868 - KATO; Taku ; et al.	2014-05-01
Device App 20140108824 - NAGAI; Yuji ; et al.	2014-04-17
Host Device, Semiconductor Memory Device, And Authentication Method App 20140108808 - KATO; Taku ; et al.	2014-04-17
Information recording device Grant 8,693,694 - Kato , et al. April 8, 2	2014-04-08
Authenticator, Authenticatee And Authentication Method App 20140089675 - Kato; Taku ; et al.	2014-03-27
Semiconductor Storage Device App 20140086411 - Nagai; Yuji ; et al.	2014-03-27
Manufacturing Method App 20140068278 - Nagai; Yuji ; et al.	2014-03-06
Host device, semiconductor memory device, and authentication method Grant 8,667,286 - Kato , et al. March 4, 2	2014-03-04
Manufacturing Method App 20140056424 - Nagai; Yuji ; et al.	2014-02-27
Authenticator, authenticatee and authentication method Grant 8,661,527 - Kato , et al. February 25, 2	2014-02-25
Re-encryption Key Generator, Re-encryption Apparatus, And Program App 20140050318 - Hayashi; Ryotaro ; et al.	2014-02-20
Data Recording Device, And Method Of Processing Data Recording Device App 20140047240 - Kato; Taku ; et al.	2014-02-13
Data Recording Device, Host Device And Method Of Processing Data Recording Device App 20140047241 - Kato; Taku ; et al.	2014-02-13
Device authentication using restricted memory Grant 8,650,398 - Nagai , et al. February 11, 2	2014-02-11
Authenticator Grant 8,650,393 - Kato , et al. February 11, 2	2014-02-11
Semiconductor storage device Grant 8,634,557 - Nagai , et al. January 21, 2	2014-01-21
Manufacturing method of a memory device to be authenticated Grant 8,627,455 - Nagai , et al. January 7, 2	2014-01-07
Device App 20130339732 - NAGAI; Yuji ; et al.	2013-12-19
Information Recording Device App 20130336489 - KATO; Taku ; et al.	2013-12-19
Device App 20130336476 - Nagai; Yuji ; et al.	2013-12-19
Device App 20130336481 - NAGAI; Yuji ; et al.	2013-12-19
Device App 20130336475 - NAGAI; Yuji ; et al.	2013-12-19
Authentication Method App 20130336478 - NAGAI; Yuji ; et al.	2013-12-19
Information Recording Device App 20130336479 - Kato; Taku ; et al.	2013-12-19
Host Device App 20130336488 - KATO; Taku ; et al.	2013-12-19
Device App 20130339733 - Nagai; Yuji ; et al.	2013-12-19
Authentication Method App 20130339741 - NAGAI; Yuji ; et al.	2013-12-19
Device App 20130339744 - NAGAI; Yuji ; et al.	2013-12-19
Device Authentication Using Restriced Memory App 20130339730 - NAGAI; Yuji ; et al.	2013-12-19
Manufacturing Method Of A Memory Device To Be Authenticated App 20130339756 - NAGAI; Yuji ; et al.	2013-12-19
Authentication Method App 20130339735 - NAGAI; Yuji ; et al.	2013-12-19
Medium App 20130336477 - KATO; Taku ; et al.	2013-12-19
Communication apparatus, key server, and data Grant 8,548,169 - Kambayashi , et al. October 1, 2	2013-10-01
Host Device, Semiconductor Memory Device, And Authentication Method App 20130185562 - KATO; Taku ; et al.	2013-07-18
Device And Authentication Method Therefor App 20130142324 - Nagai; Yuji ; et al.	2013-06-06
Memory App 20130142325 - NAGAI; Yuji ; et al.	2013-06-06
Semiconductor Storage Device App 20130142333 - Nagai; Yuji ; et al.	2013-06-06
Device And Authentication Method Therefor App 20130145162 - NAGAI; Yuji ; et al.	2013-06-06
Semiconductor Memory Device App 20130145164 - NAGAI; Yuji ; et al.	2013-06-06
Authenticator App 20130124854 - Kato; Taku ; et al.	2013-05-16
Authenticator, Authenticatee And Authentication Method App 20130054961 - KATO; Taku ; et al.	2013-02-28
Transmitting apparatus, receiving apparatus, and content transmitting method Grant 8,306,226 - Fujiwara , et al. November 6, 2	2012-11-06
Communication Device And Key Calculating Device App 20120201376 - KAMBAYASHI; Toru ; et al.	2012-08-09
Storage Device, Access Device, And Program Product App 20120114120 - KAMBAYASHI; Toru ; et al.	2012-05-10
Communication apparatus, communication system, transmission method, and computer program product Grant 8,175,267 - Umesawa , et al. May 8, 2	2012-05-08
Information Processing Device And Computer Program Product App 20120063635 - Matsushita; Tatsuyuki ; et al.	2012-03-15
Method for generating decryption key, apparatus and method using decryption key Grant 8,122,246 - Matsushita February 21, 2	2012-02-21
Information processing scheme for realizing contents transfer and copyright protection Grant 8,041,949 - Isozaki , et al. October 18, 2	2011-10-18
Content distribution system and tracking system Grant 7,961,887 - Matsushita June 14, 2	2011-06-14
Content providing system, user system, tracing system, apparatus, method and program Grant 7,962,745 - Matsushita June 14, 2	2011-06-14
Decryption apparatus and decryption method Grant 7,724,906 - Matsushita May 25, 2	2010-05-25
Repeater And Repeating Method Thereof App 20100121966 - FUJIWARA; Yoshinobu ; et al.	2010-05-13
Communication Apparatus, Key Server, And Management Server App 20100008509 - Matsushita; Tatsuyuki ; et al.	2010-01-14
Situation Recognizing Apparatus, Situation Recognizing Method, And Radio Terminal Apparatus App 20100001857 - DOI; Miwako ; et al.	2010-01-07
Information Recording/reproduction Apparatus And System App 20090327726 - Suzuki; Nobuaki ; et al.	2009-12-31
Communication Apparatus, Key Server, And Data App 20090316897 - Kambayashi; Toru ; et al.	2009-12-24
Communication Apparatus, Server, And Computer Program Product Therefor App 20090282250 - SATO; Hideaki ; et al.	2009-11-12
Content Providing System, User System, Tracing System, Apparatus, Method, And Program App 20090259844 - MATSUSHITA; Tatsuyuki	2009-10-15
Communication Apparatus, Communication System, Transmission Method, And Computer Program Product App 20090249490 - UMESAWA; Kentaro ; et al.	2009-10-01
Content Transmitting And Receiving System App 20090210709 - FUJIWARA; Yoshinobu ; et al.	2009-08-20
Content providing system, user system, tracing system, apparatus, method, and program Grant 7,568,094 - Matsushita July 28, 2	2009-07-28
Information-processing device Grant 7,565,698 - Isozaki , et al. July 21, 2	2009-07-21
Apparatus, method, and computer program product for playing back content Grant 7,545,943 - Kamibayashi , et al. June 9, 2	2009-06-09
Communication Apparatus, Key Server, Management Server, Communication Server, Content Distribution System, Communication Method, And Recording Medium App 20090138714 - MATSUSHITA; Tatsuyuki ; et al.	2009-05-28
Information-processing device, information-processing method, and information-processing program product Grant 7,535,852 - Matsushita , et al. May 19, 2	2009-05-19
Information communication device, information communication system, and computer program product for transmission control Grant 7,529,935 - Saito , et al. May 5, 2	2009-05-05
Transmitting Apparatus, Receiving Apparatus, And Content Transmitting Method App 20090060196 - FUJIWARA; Yoshinobu ; et al.	2009-03-05
Apparatus, Method, and Computer Program Product for Playing Back Content App 20080226077 - Kamibayashi; Tooru ; et al.	2008-09-18
Content Distribution System And Tracking System App 20080165958 - Matsushita; Tatsuyuki	2008-07-10
System, Method And Apparatus For Providing Ciphered And Deciphered Contents To User, And Related Computer Readable Medium App 20080037778 - MATSUSHITA; Tatsuyuki	2008-02-14
SYSTEM and METHOD FOR PROVIDING CIPHERED AND DECIPHERED CONTENTS TO USER, AND RELATED COMPUTER READABLE MEDIUM App 20070280476 - MATSUSHITA; Tatsuyuki	2007-12-06
Information playback apparatus App 20070214287 - Haruki; Kosuke ; et al.	2007-09-13
Method For Generating Decryption Key, Apparatus And Method Using Decryption Key App 20070180233 - MATSUSHITA; Tatsuyuki	2007-08-02
IC-card service period setting method, IC card, IC card case and battery charger Grant 7,182,251 - Tomoeda , et al. February 27, 2	2007-02-27
IC-card service period setting method, IC card, IC card case and battery charger Grant 7,182,264 - Tomoeda , et al. February 27, 2	2007-02-27
IC-card service period setting method, IC card, IC card case and battery charger Grant 7,134,600 - Tomoeda , et al. November 14, 2	2006-11-14
Semiconductor integrated circuit, semiconductor integrated circuit module and information apparatus Grant 7,121,472 - Shimizu , et al. October 17, 2	2006-10-17
IC-card service period setting method, IC card, IC card case and battery charger App 20060208068 - Tomoeda; Yuuki ; et al.	2006-09-21
Decryption apparatus and decryption method App 20060204008 - Matsushita; Tatsuyuki	2006-09-14
IC-card service period setting method, IC card, IC card case and battery charger App 20060196933 - Tomoeda; Yuuki ; et al.	2006-09-07
IC-card service period setting method, IC card, IC card case and battery charger App 20060192020 - Tomoeda; Yuuki ; et al.	2006-08-31
Information-processing device, information-processing method, and information-processing program product App 20050286437 - Matsushita, Tatsuyuki ; et al.	2005-12-29
Information processing scheme for realizing contents transfer and copyright protection App 20050216724 - Isozaki, Hiroshi ; et al.	2005-09-29
IC card, and method and program for preventing illegal use of IC card Grant 6,945,467 - Kojima , et al. September 20, 2	2005-09-20
Content providing system, user system, tracing system, apparatus, method, and program App 20050157878 - Matsushita, Tatsuyuki	2005-07-21
Recording medium, recording medium writing device, recording medium reading device, recording medium writing method, and recording medium reading method App 20050154905 - Kojima, Tadashi ; et al.	2005-07-14
Information-processing device App 20050118987 - Isozaki, Hiroshi ; et al.	2005-06-02
IC card, and method and program for preventing illegal use of IC card App 20050045731 - Kojima, Kenji ; et al.	2005-03-03
Information communication device, information communication system, and computer program product for transmission control App 20050027984 - Saito, Takeshi ; et al.	2005-02-03
IC card, and method and program for preventing illegal use of IC card Grant 6,811,083 - Kojima , et al. November 2, 2	2004-11-02
IC-card service period setting method, IC card, IC card case and battery charger App 20040149816 - Tomoeda, Yuuki ; et al.	2004-08-05
Semiconductor integrated circuit, semiconductor integrated circuit module and information apparatus App 20040150468 - Shimizu, Hideo ; et al.	2004-08-05
IC card, and method and program for preventing illegal use of IC card App 20040124250 - Kojima, Kenji ; et al.	2004-07-01
Key generating method, contents providing method, ciphered-contents deciphering method, pirate identifying method, contents providing system, user system, trace system, ciphering apparatus, deciphering apparatus, and computer program App 20030152234 - Matsushita, Tatsuyuki	2003-08-14