Inventor · disambiguated record
Teruji Yamakawa
Also filed as: YAMAKAWA TERUHI · YAMAKAWA TERUJI
26 granted patents·13 pending applications·341 citations·filing 1994–2022
96Inventor score
Top patents by PatentIndex Score
39 records- 0192US6687194B1Optical storing apparatus and reproducing method for correcting read errorsFUJITSU LTD·Filed 1999·Granted Feb 3, 2004·74 cites·20 claims
- 0291US9064108B2Storage device, storage system, and authentication methodTOSHIBA KK·Filed 2014·Granted Jun 23, 2015·12 cites·10 claims
- 0390US5590096ARewritable storage apparatus using first and second bias magnetic fieldsFUJITSU LTD·Filed 1994·Granted Dec 31, 1996·56 cites·14 claims
- 0488US8782804B2Storage device, storage system, and authentication methodNAGAI KOICHI·Filed 2012·Granted Jul 15, 2014·11 cites·23 claims
- 0588US6453369B1Access protection from unauthorized use of memory medium using identifier unique to data storage deviceFUJITSU LTD·Filed 1998·Granted Sep 17, 2002·49 cites·19 claims
- 0687US6604153B2Access protection from unauthorized use of memory medium with storage of identifier unique to memory medium in data storage deviceFUJITSU LTD·Filed 2002·Granted Aug 5, 2003·21 cites·15 claims
- 0786US8947803B1Data storage device and data erasing methodTOSHIBA KK·Filed 2014·Granted Feb 3, 2015·8 cites·20 claims
- 0880US11360680B2Storage deviceKIOXIA CORP·Filed 2018·Granted Jun 14, 2022·2 cites·14 claims
- 0979US9081943B2Storage device, protection method, and electronic apparatusNAGAI KOICHI·Filed 2011·Granted Jul 14, 2015·5 cites·22 claims
- 1075US10621373B2Data security management based on device locations and connection statesTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 14, 2020·2 cites·8 claims
- 1170US11861194B2Storage device configuration and method managing storage configurationKIOXIA CORP·Filed 2022·Granted Jan 2, 2024·0 cites·14 claims
- 1268US10698838B2Data storage apparatusTOSHIBA MEMORY CORP·Filed 2018·Granted Jun 30, 2020·1 cites·14 claims
- 1368US9396137B2Storage device, protection method, and electronic apparatusTOSHIBA KK·Filed 2015·Granted Jul 19, 2016·1 cites·21 claims
- 1467US6618796B2Data storage device and control method thereforFUJITSU LTD·Filed 1998·Granted Sep 9, 2003·20 cites·24 claims
- 1565US6738877B1Access control method, storage apparatus and storage mediumFUJITSU LTD·Filed 1999·Granted May 18, 2004·46 cites·23 claims
- 1664US8320066B2Storage device and read/write processing method thereforYAMAKAWA TERUJI·Filed 2010·Granted Nov 27, 2012·2 cites·18 claims
- 1764US5956295AMagneto-optical disk drive supporting a direct-over-write operation and a write-after-erase operationFUJITSU LTD·Filed 1996·Granted Sep 21, 1999·21 cites·7 claims
- 1853US8650654B2Memory device, memory system, and authentication methodKUDOH YOSHIYUKI·Filed 2011·Granted Feb 11, 2014·1 cites·20 claims
- 1952US2013275775A1Storage device, protection method, and electronic deviceTOSHIBA KK·Filed 2013·Application pending·0 cites
- 2051US8028142B2Controller of storage device, storage device, and control method of storage deviceTOSHIBA STORAGE DEVICE CORP·Filed 2008·Granted Sep 27, 2011·0 cites·20 claims
- 2151US2015235020A1Storage device, storage system, and authentication methodTOSHIBA KK·Filed 2015·Application pending·0 cites
- 2249US7012866B2Rotation control method for CAV system based on sequential or random access request and on zone access based on access request of recording mediumFUJITSU LTD·Filed 2001·Granted Mar 14, 2006·2 cites·10 claims
- 2349US2010106928A1Storage device, storage system, and unlock processing methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 2448US2012072735A1Storage device, protection method, and electronic deviceFUKAWA KIYOTAKA·Filed 2011·Application pending·0 cites
- 2548US2013290736A1Data storage device, data control device and method for encrypting dataTOSHIBA KK·Filed 2013·Application pending·0 cites
- 2647US11775184B2Memory system, information processing apparatus, and information processing systemKIOXIA CORP·Filed 2020·Granted Oct 3, 2023·0 cites·7 claims
- 2747US10936532B2Electronic device and data transmitting/receiving methodTOSHIBA MEMORY CORP·Filed 2019·Granted Mar 2, 2021·0 cites·19 claims
- 2846US11853464B2Storage device and data tampering detection methodKIOXIA CORP·Filed 2019·Granted Dec 26, 2023·0 cites·7 claims
- 2946US11588634B2Storage device and controlling methodKIOXIA CORP·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 3039US2012137139A1Data storage device, data control device and method for encrypting dataKUDOH YOSHIYUKI·Filed 2011·Application pending·0 cites
- 3139US2010191944A1Data storage apparatusTOSHIBA STORAGE DEVICE CORP·Filed 2010·Application pending·0 cites
- 3237US2017019399A1Secure update processing of terminal device using an encryption key stored in a memory device of the terminal deviceTOSHIBA KK·Filed 2016·Application pending·0 cites
- 3336US2015358321A1Storage device, information processing apparatus, and information processing methodTOSHIBA KK·Filed 2014·Application pending·0 cites
- 3436US2012137089A1Storage device, electronic device, and access control method for storage deviceNUMATA KENICHI·Filed 2011·Application pending·0 cites
- 3534US6345385B2Storage unit, storage medium and identification information recording methodFUJITSU LTD·Filed 1998·Granted Feb 5, 2002·7 cites·33 claims
- 3632US2012020474A1Recording device, controller, control method of recording deviceKUDOH YOSHIYUKI·Filed 2011·Application pending·0 cites
- 3731US2015370482A1Storage apparatus, communication apparatus, and storage control systemTOSHIBA KK·Filed 2015·Application pending·0 cites
- 3831US2016139850A1Managing method of storage device, computer system and storage mediumTOSHIBA KK·Filed 2015·Application pending·0 cites
- 3928US6131137ADrive control unit and optical memory apparatusFUJITSU LTD·Filed 1998·Granted Oct 10, 2000·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →