Inventor
MATSUSHITA TATSUYUKI
JP72 patents
⚠️ This page may combine multiple inventors who share the name “MATSUSHITA TATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
28 patentsUS7529935B2May 5, 2009
Information communication device, information communication system, and computer program product for transmission control
TOSHIBA KK32 citations93
US7565698B2Jul 21, 2009
Information-processing device
TOSHIBA KK39 citations92
US7134600B2Nov 14, 2006
IC-card service period setting method, IC card, IC card case and battery charger
TOSHIBA KK16 citations92
US7121472B2Oct 17, 2006
Semiconductor integrated circuit, semiconductor integrated circuit module and information apparatus
TOSHIBA KK25 citations92
US6811083B2Nov 2, 2004
IC card, and method and program for preventing illegal use of IC card
TOSHIBA KK22 citations92
US9294285B2Mar 22, 2016
Information recording device
TOSHIBA KK9 citations84
US7182251B2Feb 27, 2007
IC-card service period setting method, IC card, IC card case and battery charger
TOSHIBA KK11 citations84
US6945467B2Sep 20, 2005
IC card, and method and program for preventing illegal use of IC card
TOSHIBA KK5 citations74
US10187207B2Jan 22, 2019
Re-encryption key generator, re-encryption apparatus, encryption apparatus, decryption apparatus, and storage medium
TOSHIBA KK3 citations73
US9819487B2Nov 14, 2017
Re-encryption key generator, re-encryption device, encryption device, decryption device, and program
TOSHIBA KK6 citations73
US9426131B2Aug 23, 2016
Server apparatus and program to re-encrypt ciphertext data
TOSHIBA KK3 citations73
US9319389B2Apr 19, 2016
Data recording device, and method of processing data recording device
TOSHIBA KK2 citations63
US8984294B2Mar 17, 2015
System of authenticating an individual memory device via reading data including prohibited data and readable data
TOSHIBA KK2 citations63
US8041949B2Oct 18, 2011
Information processing scheme for realizing contents transfer and copyright protection
TOSHIBA KK2 citations63
US7961887B2Jun 14, 2011
Content distribution system and tracking system
TOSHIBA KK4 citations63
US7724906B2May 25, 2010
Decryption apparatus and decryption method
TOSHIBA KK4 citations63
US7568094B2Jul 28, 2009
Content providing system, user system, tracing system, apparatus, method, and program
TOSHIBA KK5 citations63
US7535852B2May 19, 2009
Information-processing device, information-processing method, and information-processing program product
TOSHIBA KK2 citations63
US7182264B2Feb 27, 2007
IC-card service period setting method, IC card, IC card case and battery charger
TOSHIBA KK4 citations63
US7545943B2Jun 9, 2009
Apparatus, method, and computer program product for playing back content
TOSHIBA KK6 citations62
US11397821B2Jul 26, 2022
Remote access control system
TOSHIBA KK1 citations60
US10116439B2Oct 30, 2018
Encrypted data computation system, device, and program
TOSHIBA KK1 citations52
US9413532B2Aug 9, 2016
Information recording device
TOSHIBA KK0 citations52
US9253169B2Feb 2, 2016
Memory and storage devices to be authenicated using a host device, authenication system and host device
TOSHIBA KK0 citations52
US9246683B2Jan 26, 2016
Re-encryption key generator, re-encryption apparatus, and program
TOSHIBA KK1 citations52
US9225513B2Dec 29, 2015
Authenticator, authenticatee and authentication method
TOSHIBA KK0 citations52
US9201811B2Dec 1, 2015
Device and authentication method therefor
TOSHIBA KK0 citations52
US9183159B2Nov 10, 2015
Authentication method
TOSHIBA KK0 citations52
NAGAI YUJI
11 patentsUS9124432B2Sep 1, 2015
Host device and authentication method for host device
NAGAI YUJI7 citations84
US8995657B2Mar 31, 2015
Device and method for certifying one's own authenticity
NAGAI YUJI7 citations84
US8812843B2Aug 19, 2014
Device and authentication method therefor
NAGAI YUJI7 citations84
US9544138B2Jan 10, 2017
Authenticator, authenticatee and authentication method
NAGAI YUJI2 citations73
US8761389B2Jun 24, 2014
Memory
NAGAI YUJI4 citations73
US8732466B2May 20, 2014
Semiconductor memory device
NAGAI YUJI6 citations73
US8726024B2May 13, 2014
Authentication method
NAGAI YUJI4 citations73
US8650398B2Feb 11, 2014
Device authentication using restricted memory
NAGAI YUJI4 citations73
US8634557B2Jan 21, 2014
Semiconductor storage device
NAGAI YUJI5 citations73
US8762717B2Jun 24, 2014
Authentication device
NAGAI YUJI2 citations63
US8751814B2Jun 10, 2014
Device
NAGAI YUJI2 citations63
KATO TAKU
5 patentsUS8745391B2Jun 3, 2014
Data recording device, host device and method of processing data recording device
KATO TAKU5 citations84
US8661527B2Feb 25, 2014
Authenticator, authenticatee and authentication method
KATO TAKU10 citations83
US8850207B2Sep 30, 2014
Data recording device, and method of processing data recording device
KATO TAKU5 citations73
US8667286B2Mar 4, 2014
Host device, semiconductor memory device, and authentication method
KATO TAKU2 citations63
US8650393B2Feb 11, 2014
Authenticator
KATO TAKU3 citations63
TOSHIBA MEMORY CORP
3 patentsUS10361851B2Jul 23, 2019
Authenticator, authenticatee and authentication method
TOSHIBA MEMORY CORP7 citations84
US10361850B2Jul 23, 2019
Authenticator, authenticatee and authentication method
TOSHIBA MEMORY CORP0 citations52
US9887841B2Feb 6, 2018
Authenticator, authenticatee and authentication method
TOSHIBA MEMORY CORP0 citations52
MATSUSHITA TATSUYUKI
2 patentsKAMBAYASHI TORU
1 patentShowing the top 50 of 72 patents by PatentIndex Score.