Inventor · disambiguated record
Takahiko Sugahara
Also filed as: SUGAHARA TAKAHIKO
22 granted patents·6 pending applications·48 citations·filing 2008–2022
92Inventor score
Top patents by PatentIndex Score
28 records- 0185US8949690B2Memory controllerSUGAHARA TAKAHIKO·Filed 2012·Granted Feb 3, 2015·13 cites·11 claims
- 0280US10530567B2Encryption device and memory deviceMEGACHIPS CORP·Filed 2017·Granted Jan 7, 2020·4 cites·10 claims
- 0380US7877668B2Memory access systemMEGACHIPS CORP·Filed 2008·Granted Jan 25, 2011·12 cites·24 claims
- 0477US10096379B2Memory device and method for testing reliability of memory deviceMEGACHIPS CORP·Filed 2015·Granted Oct 9, 2018·4 cites·11 claims
- 0573US10615959B2Memory device, host device, and memory systemMEGACHIPS CORP·Filed 2016·Granted Apr 7, 2020·2 cites·13 claims
- 0667US9959403B2Information processing system for mutual authentication between communication device and storageMEGACHIPS CORP·Filed 2014·Granted May 1, 2018·2 cites·7 claims
- 0766US11074370B2Information processing system, information processing device, and method for controlling information processing deviceMEGACHIPS CORP·Filed 2019·Granted Jul 27, 2021·1 cites·21 claims
- 0864US9817711B2Memory controllerMEGACHIPS CORP·Filed 2014·Granted Nov 14, 2017·3 cites·16 claims
- 0962US8214725B2Memory access systemSUGAHARA TAKAHIKO·Filed 2008·Granted Jul 3, 2012·5 cites·11 claims
- 1058US8375169B2Memory controllerMEGACHIPS CORP·Filed 2008·Granted Feb 12, 2013·1 cites·14 claims
- 1157US12375258B2Semiconductor device and control method thereofRENESAS ELECTRONICS CORP·Filed 2022·Granted Jul 29, 2025·0 cites·16 claims
- 1257US8826042B2Memory controller, memory control apparatus, memory device, memory information protection system, control method for memory control apparatus, and control method for memory deviceSUGAHARA TAKAHIKO·Filed 2010·Granted Sep 2, 2014·1 cites·30 claims
- 1356US9537655B2Random number generating device, cipher processing device, storage device, and information processing systemMEGACHIPS CORP·Filed 2014·Granted Jan 3, 2017·0 cites·5 claims
- 1453US10148434B2Random number generating device, cipher processing device, storage device, and information processing systemMEGACHIPS CORP·Filed 2016·Granted Dec 4, 2018·0 cites·6 claims
- 1552US10984092B2Information processing device, non-transitory computer-readable recording medium, and method for determining authenticity of appurtenance deviceMEGACHIPS CORP·Filed 2018·Granted Apr 20, 2021·0 cites·18 claims
- 1651US11115181B2Memory device, host device, and memory systemMEGACHIPS CORP·Filed 2020·Granted Sep 7, 2021·0 cites·14 claims
- 1749US11073542B2Information processing system, and method for determining authenticity of appurtenance deviceMEGACHIPS CORP·Filed 2018·Granted Jul 27, 2021·0 cites·31 claims
- 1849US11009535B2Information processing device, non-transitory computer-readable recording medium, and method for determining authenticity of appurtenance deviceMEGACHIPS CORP·Filed 2018·Granted May 18, 2021·0 cites·21 claims
- 1949US8725952B2Memory controller for suppressing read disturb when data is repeatedly read outSUGAHARA TAKAHIKO·Filed 2012·Granted May 13, 2014·0 cites·5 claims
- 2046US11080020B2Information processing device and random number generating methodMEGACHIPS CORP·Filed 2020·Granted Aug 3, 2021·0 cites·16 claims
- 2146US2024089097A1Key update management system and key update management methodRENESAS ELECTRONICS CORP·Filed 2022·Application pending·0 cites
- 2245US2019006023A1Semiconductor device, semiconductor memory and method for testing reliability of semiconductor deviceMEGACHIPS CORP·Filed 2018·Application pending·0 cites
- 2343US10152437B2Memory systemMEGACHIPS CORP·Filed 2016·Granted Dec 11, 2018·0 cites·6 claims
- 2442US2019199526A1Communication system and data communication methodMEGACHIPS CORP·Filed 2018·Application pending·0 cites
- 2540US9003202B2Memory control device, semiconductor memory device, memory system, and memory control methodSUGAHARA TAKAHIKO·Filed 2010·Granted Apr 7, 2015·0 cites·11 claims
- 2637US2017060460A1Memory controllerMEGACHIPS CORP·Filed 2016·Application pending·0 cites
- 2737US2016179472A1Random number generation device and method for generating random numberMEGACHIPS CORP·Filed 2015·Application pending·0 cites
- 2837US2016124826A1Semiconductor device and method for testing reliability of semiconductor deviceMEGACHIPS CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →