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Takahiko SUGAHARA
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Memory device, host device, and memory system
Patent number
11,115,181
Issue date
Sep 7, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing device and random number generating method
Patent number
11,080,020
Issue date
Aug 3, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, and method for determining authentic...
Patent number
11,073,542
Issue date
Jul 27, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, information processing device, and m...
Patent number
11,074,370
Issue date
Jul 27, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing device, non-transitory computer-readable rec...
Patent number
11,009,535
Issue date
May 18, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing device, non-transitory computer-readable rec...
Patent number
10,984,092
Issue date
Apr 20, 2021
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory device, host device, and memory system
Patent number
10,615,959
Issue date
Apr 7, 2020
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Encryption device and memory device
Patent number
10,530,567
Issue date
Jan 7, 2020
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory system
Patent number
10,152,437
Issue date
Dec 11, 2018
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Random number generating device, cipher processing device, storage...
Patent number
10,148,434
Issue date
Dec 4, 2018
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory device and method for testing reliability of memory device
Patent number
10,096,379
Issue date
Oct 9, 2018
MegaChips Corporation
Takahiko Sugahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Information processing system for mutual authentication between com...
Patent number
9,959,403
Issue date
May 1, 2018
MegaChips Corporation
Takahiko Sugahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Memory controller
Patent number
9,817,711
Issue date
Nov 14, 2017
MegaChips Corporation
Takahiko Sugahara
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Random number generating device, cipher processing device, storage...
Patent number
9,537,655
Issue date
Jan 3, 2017
MegaChips Corporation
Takahiko Sugahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Memory control device, semiconductor memory device, memory system,...
Patent number
9,003,202
Issue date
Apr 7, 2015
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory controller
Patent number
8,949,690
Issue date
Feb 3, 2015
MegaChips Corporation
Takahiko Sugahara
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Memory controller, memory control apparatus, memory device, memory...
Patent number
8,826,042
Issue date
Sep 2, 2014
MegaChips Corporation
Takahiko Sugahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Memory controller for suppressing read disturb when data is repeate...
Patent number
8,725,952
Issue date
May 13, 2014
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory controller
Patent number
8,375,169
Issue date
Feb 12, 2013
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory access system
Patent number
8,214,725
Issue date
Jul 3, 2012
MegaChips Corporation
Takahiko Sugahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory access system
Patent number
7,877,668
Issue date
Jan 25, 2011
MegaChips Corporation
Takahiko Sugahara
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING DEVICE AND RANDOM NUMBER GENERATING METHOD
Publication number
20200341734
Publication date
Oct 29, 2020
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY DEVICE, HOST DEVICE, AND MEMORY SYSTEM
Publication number
20200195418
Publication date
Jun 18, 2020
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND M...
Publication number
20190278945
Publication date
Sep 12, 2019
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION SYSTEM AND DATA COMMUNICATION METHOD
Publication number
20190199526
Publication date
Jun 27, 2019
MegaChips Corporation
Takahiko SUGAHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING DEVICE, NON-TRANSITORY COMPUTER-READABLE REC...
Publication number
20190195925
Publication date
Jun 27, 2019
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, AND METHOD FOR DETERMINING AUTHENTIC...
Publication number
20190187194
Publication date
Jun 20, 2019
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING DEVICE, NON-TRANSITORY COMPUTER-READABLE REC...
Publication number
20190188372
Publication date
Jun 20, 2019
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR MEMORY AND METHOD FOR TESTING R...
Publication number
20190006023
Publication date
Jan 3, 2019
MegaChips Corporation
Takahiko SUGAHARA
G11 - INFORMATION STORAGE
Information
Patent Application
ENCRYPTION DEVICE AND MEMORY DEVICE
Publication number
20180097613
Publication date
Apr 5, 2018
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER
Publication number
20170060460
Publication date
Mar 2, 2017
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RANDOM NUMBER GENERATING DEVICE, CIPHER PROCESSING DEVICE, STORAGE...
Publication number
20170063545
Publication date
Mar 2, 2017
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY DEVICE, HOST DEVICE, AND MEMORY SYSTEM
Publication number
20170026169
Publication date
Jan 26, 2017
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY SYSTEM
Publication number
20170010989
Publication date
Jan 12, 2017
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RANDOM NUMBER GENERATION DEVICE AND METHOD FOR GENERATING RANDOM NU...
Publication number
20160179472
Publication date
Jun 23, 2016
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR TESTING RELIABILITY OF SEMICOND...
Publication number
20160124826
Publication date
May 5, 2016
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY DEVICE AND METHOD FOR TESTING RELIABILITY OF MEMORY DEVICE
Publication number
20160118142
Publication date
Apr 28, 2016
MegaChips Corporation
Takahiko SUGAHARA
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION PROCESSING SYSTEM
Publication number
20150012968
Publication date
Jan 8, 2015
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER
Publication number
20140380119
Publication date
Dec 25, 2014
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RANDOM NUMBER GENERATING DEVICE, CIPHER PROCESSING DEVICE, STORAGE...
Publication number
20140341375
Publication date
Nov 20, 2014
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER
Publication number
20130013887
Publication date
Jan 10, 2013
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER
Publication number
20120317463
Publication date
Dec 13, 2012
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROL DEVICE, SEMICONDUCTOR MEMORY DEVICE, MEMORY SYSTEM,...
Publication number
20120023338
Publication date
Jan 26, 2012
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER, MEMORY CONTROL DEVICE MEMORY DEVICE, MEMORY INF...
Publication number
20120008772
Publication date
Jan 12, 2012
MegaChips Corporation
Takahiko Sugahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY ACCESS SYSTEM
Publication number
20090044076
Publication date
Feb 12, 2009
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY ACCESS SYSTEM
Publication number
20080294949
Publication date
Nov 27, 2008
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROLLER
Publication number
20080183982
Publication date
Jul 31, 2008
MegaChips Corporation
Takahiko SUGAHARA
G06 - COMPUTING CALCULATING COUNTING