Inventor · disambiguated record
Katsuya Tanaka
Also filed as: TANAKA KATSUYA
65 granted patents·20 pending applications·1,538 citations·filing 1989–2025
99Inventor score
Top patents by PatentIndex Score
85 records- 0199US7818495B2Storage device and deduplication methodHITACHI LTD·Filed 2008·Granted Oct 19, 2010·116 cites·18 claims
- 0299US7409492B2Storage system using flash memory modules logically grouped for wear-leveling and RAIDHITACHI LTD·Filed 2006·Granted Aug 5, 2008·198 cites·31 claims
- 0398US8156279B2Storage device and deduplication methodTANAKA KATSUYA·Filed 2010·Granted Apr 10, 2012·75 cites·14 claims
- 0498US7574554B2Storage system and data protection method thereforHITACHI LTD·Filed 2006·Granted Aug 11, 2009·139 cites·15 claims
- 0598US7227746B2Storage systemHITACHI LTD·Filed 2005·Granted Jun 5, 2007·66 cites·19 claims
- 0697US5424573ASemiconductor package having optical interconnection accessHITACHI LTD·Filed 1993·Granted Jun 13, 1995·287 cites·15 claims
- 0796US7734865B2Storage system using flash memory modules logically grouped for wear-leveling and raidHITACHI LTD·Filed 2008·Granted Jun 8, 2010·38 cites·20 claims
- 0895US8321722B2Storage device, and data path failover method of internal network of storage controllerTANAKA KATSUYA·Filed 2011·Granted Nov 27, 2012·30 cites·8 claims
- 0995US8082466B2Storage device, and data path failover method of internal network of storage controllerTANAKA KATSUYA·Filed 2008·Granted Dec 20, 2011·41 cites·22 claims
- 1094US7613871B2Storage system using a flash memory partitioned with write-once and rewritable blocksHITACHI LTD·Filed 2005·Granted Nov 3, 2009·48 cites·10 claims
- 1194US4971116APressure control valveAISIN AW CO·Filed 1989·Granted Nov 20, 1990·60 cites·18 claims
- 1293US12405855B2Storage device and a method of error processing thereofHITACHI LTD·Filed 2024·Granted Sep 2, 2025·2 cites·10 claims
- 1392US8700856B2Method for accessing mirrored shared memories and storage subsystem using method for accessing mirrored shared memoriesTANAKA KATSUYA·Filed 2012·Granted Apr 15, 2014·20 cites·16 claims
- 1490US8899374B2Speaker unit and speaker unit mounting structureYAMAHA CORP·Filed 2013·Granted Dec 2, 2014·13 cites·9 claims
- 1590US7990823B2Storage device and its drive startup methodHITACHI LTD·Filed 2008·Granted Aug 2, 2011·10 cites·20 claims
- 1690US7349204B2Disk deviceHITACHI LTD·Filed 2005·Granted Mar 25, 2008·23 cites·19 claims
- 1790US7339411B2Semiconductor integrated circuit having noise detect circuits detecting noise on power supply netsHITACHI LTD·Filed 2005·Granted Mar 4, 2008·21 cites·3 claims
- 1889US8086789B2Flash memory module, storage apparatus using flash memory module as recording medium and address translation table verification method for flash memory moduleTANAKA KATSUYA·Filed 2011·Granted Dec 27, 2011·9 cites·20 claims
- 1988US5848613AElectromagnetic pressure regulating valveAISIN AW CO·Filed 1996·Granted Dec 15, 1998·59 cites·9 claims
- 2087US7917688B2Flash memory module, storage apparatus using flash memory module as recording medium, and address translation table verification method for flash memory moduleHITACHI LTD·Filed 2008·Granted Mar 29, 2011·14 cites·13 claims
- 2187US6915380B2Disk storage system having disk arrays connected with disk adaptors through switchesHITACHI LTD·Filed 2002·Granted Jul 5, 2005·46 cites·21 claims
- 2285US8429340B2Storage system comprising flash memory modules subject to plural types of wear-leveling processesTANAKA KATSUYA·Filed 2011·Granted Apr 23, 2013·5 cites·23 claims
- 2384US10090921B2Light modulation device and light modulation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Oct 2, 2018·7 cites·12 claims
- 2484US6191647B1Low noise integrated circuit device for reducing a noise on LSI power supply nets to supply electric charges required to operate ICHITACHI LTD·Filed 1998·Granted Feb 20, 2001·48 cites·10 claims
- 2583US9703744B2Storage device employing PCI-express connection solid-state driveHITACHI LTD·Filed 2013·Granted Jul 11, 2017·7 cites·9 claims
- 2682US7970986B2Storage system using flash memories and wear-leveling method for the same systemHITACHI LTD·Filed 2010·Granted Jun 28, 2011·4 cites·20 claims
- 2781US9286210B2System executes wear-leveling among flash memory modulesHITACHI LTD·Filed 2014·Granted Mar 15, 2016·3 cites·25 claims
- 2881US7992042B2Debug support device, and program for directing computer to perform debugging methodSEIKO EPSON CORP·Filed 2007·Granted Aug 2, 2011·11 cites·7 claims
- 2980US8788745B2Storage system comprising flash memory modules subject to two wear—leveling processesHITACHI LTD·Filed 2013·Granted Jul 22, 2014·3 cites·23 claims
- 3079US10402361B2Storage systemHITACHI LTD·Filed 2018·Granted Sep 3, 2019·2 cites·13 claims
- 3179US7424639B2Disk array system and failure recovering control methodHITACHI LTD·Filed 2006·Granted Sep 9, 2008·8 cites·20 claims
- 3278US11347672B2Storage apparatusHITACHI LTD·Filed 2020·Granted May 31, 2022·1 cites·11 claims
- 3377US11507307B2Storage system including a memory controller that enables each storage controller of a plurality of storage controllers to exclusively read and write control information of the memoryHITACHI LTD·Filed 2020·Granted Nov 22, 2022·1 cites·12 claims
- 3476US9575919B2Information system capable of expanding drive and bus number allocation method of the information systemHITACHI LTD·Filed 2013·Granted Feb 21, 2017·4 cites·12 claims
- 3575US10789196B2Storage systemHITACHI LTD·Filed 2019·Granted Sep 29, 2020·1 cites·18 claims
- 3675US10459791B2Storage device having error communication logical portsHITACHI LTD·Filed 2015·Granted Oct 29, 2019·2 cites·20 claims
- 3775US7222259B2Disk array system and failure recovering control methodHITACHI LTD·Filed 2003·Granted May 22, 2007·18 cites·20 claims
- 3875US5014747APressure control valveAISIN AW CO·Filed 1989·Granted May 14, 1991·28 cites·4 claims
- 3974US8412863B2Storage apparatus and virtual port migration method for storage apparatusTANAKA KATSUYA·Filed 2010·Granted Apr 2, 2013·4 cites·10 claims
- 4073US7953939B2Storage system and method of controlling a storage systemHITACHI LTD·Filed 2008·Granted May 31, 2011·6 cites·19 claims
- 4173USD491783SHousehold electric sharpenerKAI R&D CENTER CO LTD·Filed 2003·Granted Jun 22, 2004·21 cites·1 claims
- 4272US11558114B2Optical transmission characteristics compensating method and optical transmission characteristics compensating systemNTT ELECTRONICS CORP·Filed 2020·Granted Jan 17, 2023·1 cites·18 claims
- 4372US9015111B2Storage system and storage system control methodHITACHI LTD·Filed 2013·Granted Apr 21, 2015·3 cites·15 claims
- 4472US8417882B2Storage device and deduplication methodTANAKA KATSUYA·Filed 2012·Granted Apr 9, 2013·2 cites·10 claims
- 4571US8646569B2Speaker unitYAMAHA CORP·Filed 2013·Granted Feb 11, 2014·3 cites·6 claims
- 4671US2023378426A1Method for manufacturing rechargeable battery and apparatus for manufacturing rechargeable batteryPRIMEARTH EV ENERGY CO LTD·Filed 2023·Application pending·0 cites
- 4769US2025132312A1Lithium-Ion Rechargeable BatteryTOYOTA BATTERY CO LTD·Filed 2024·Application pending·0 cites
- 4868US9253257B2Storage subsystemHITACHI LTD·Filed 2014·Granted Feb 2, 2016·2 cites·11 claims
- 4968US7853743B2Processor and interrupt controlling methodSEIKO EPSON CORP·Filed 2007·Granted Dec 14, 2010·4 cites·7 claims
- 5068US6996619B2Network serviceNIPPON PILLAR PACKING·Filed 2001·Granted Feb 7, 2006·5 cites·13 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →