Inventor · disambiguated record
Shigeo Homma
Also filed as: HOMMA SHIGEO
41 granted patents·7 pending applications·230 citations·filing 1990–2022
97Inventor score
Top patents by PatentIndex Score
48 records- 0197US9152337B2Storage apparatus and storage apparatus migration methodHITACHI LTD·Filed 2014·Granted Oct 6, 2015·44 cites·15 claims
- 0286US8489845B2Storage system comprising multiple storage control apparatusOZAKI SATORU·Filed 2011·Granted Jul 16, 2013·12 cites·15 claims
- 0385US8904133B1Storage apparatus and storage apparatus migration methodHITACHI LTD·Filed 2014·Granted Dec 2, 2014·6 cites·20 claims
- 0484US8756392B2Storage control apparatus and storage system comprising multiple storage control apparatusesMATSUI YUKO·Filed 2013·Granted Jun 17, 2014·6 cites·14 claims
- 0583US8819338B2Storage system and storage apparatusHITACHI LTD·Filed 2013·Granted Aug 26, 2014·7 cites·20 claims
- 0682US8880830B1Storage systemHITACHI LTD·Filed 2014·Granted Nov 4, 2014·4 cites·18 claims
- 0778US11210214B2Storage system and compression method of storing compressed data from storage controller physical address space to logical and physical address space of nonvolatile memoryHITACHI LTD·Filed 2019·Granted Dec 28, 2021·2 cites·11 claims
- 0877US11698857B2Storage system for migrating data between tiersHITACHI LTD·Filed 2022·Granted Jul 11, 2023·0 cites·20 claims
- 0976US9830258B2Storage systemHITACHI LTD·Filed 2014·Granted Nov 28, 2017·2 cites·15 claims
- 1075US10394662B2Storage apparatus and storage apparatus migration methodHITACHI LTD·Filed 2017·Granted Aug 27, 2019·1 cites·3 claims
- 1175US9213497B2Storage apparatus and storage apparatus migration methodHITACHI LTD·Filed 2012·Granted Dec 15, 2015·4 cites·4 claims
- 1275US8463995B2Storage control apparatus and storage system comprising multiple storage control apparatusesMATSUI YUKO·Filed 2010·Granted Jun 11, 2013·3 cites·13 claims
- 1372US6697866B1Access control method for data stored in fixed-block length format in computer configurations utilizing variable length data format interfacesHITACHI LTD·Filed 2000·Granted Feb 24, 2004·18 cites·20 claims
- 1471US8375235B2Storage systemHITACHI LTD·Filed 2012·Granted Feb 12, 2013·2 cites·9 claims
- 1570US11372755B2Storage systemHITACHI LTD·Filed 2020·Granted Jun 28, 2022·0 cites·15 claims
- 1670US9116622B2Storage system having nonvolatile semiconductor storage device with nonvolatile semiconductor memorySUZUKI SUSUMU·Filed 2012·Granted Aug 25, 2015·3 cites·15 claims
- 1767US8132033B2Storage systemINNAN MASATAKA·Filed 2008·Granted Mar 6, 2012·3 cites·12 claims
- 1865US10459639B2Storage unit and storage system that suppress performance degradation of the storage unitHITACHI LTD·Filed 2015·Granted Oct 29, 2019·1 cites·13 claims
- 1965US9003087B2Compound storage system and storage control methodHITACHI LTD·Filed 2013·Granted Apr 7, 2015·1 cites·15 claims
- 2065US5390186AMethod of fault handling for a disk control unit with built-in cacheHITACHI LTD·Filed 1990·Granted Feb 14, 1995·47 cites·4 claims
- 2162US10733092B2Storage systemHITACHI LTD·Filed 2017·Granted Aug 4, 2020·0 cites·15 claims
- 2261US8930745B2Storage subsystem and data management method of storage subsystemENDO DAISUKE·Filed 2012·Granted Jan 6, 2015·1 cites·12 claims
- 2359US10387062B2Storage system with cells changeable between two different level cell modes based on predicted lifetimeHITACHI LTD·Filed 2015·Granted Aug 20, 2019·1 cites·12 claims
- 2459US5497472ACache control method and apparatus for storing data in a cache memory and for indicating completion of a write request irrespective of whether a record to be accessed exists in an external storage unitHITACHI LTD·Filed 1995·Granted Mar 5, 1996·26 cites·20 claims
- 2558US7133987B2Storage system and snapshot management method thereofHITACHI LTD·Filed 2004·Granted Nov 7, 2006·8 cites·24 claims
- 2656US9846619B2Storage apparatus and storage apparatus migration methodHITACHI LTD·Filed 2015·Granted Dec 19, 2017·0 cites·21 claims
- 2756US2014258615A1Storage control apparatus and storage system comprising multiple storage control apparatusesHITACHI LTD·Filed 2014·Application pending·0 cites
- 2855US5694576ACache control by adding record identification information to partial write requestHITACHI LTD·Filed 1995·Granted Dec 2, 1997·21 cites·28 claims
- 2954US9189391B2Storage system and data control method thereforHITACHI LTD·Filed 2014·Granted Nov 17, 2015·0 cites·15 claims
- 3053US2015254186A1Information processing device having a plurality of types of memory caches with different characteristicsHITACHI LTD·Filed 2013·Application pending·0 cites
- 3152US9361033B2Compound storage system and storage control methodHITACHI LTD·Filed 2015·Granted Jun 7, 2016·0 cites·16 claims
- 3252US2014189204A1Information processing apparatus and cache control methodHITACHI LTD·Filed 2012·Application pending·0 cites
- 3350US10204003B2Memory device and storage apparatusHITACHI LTD·Filed 2014·Granted Feb 12, 2019·1 cites·14 claims
- 3449US9778986B2Storage systemHITACHI LTD·Filed 2014·Granted Oct 3, 2017·0 cites·11 claims
- 3548US9740420B2Storage system and data management methodHITACHI LTD·Filed 2013·Granted Aug 22, 2017·0 cites·13 claims
- 3648US9684591B2Storage system and storage apparatusUEHARA GO·Filed 2012·Granted Jun 20, 2017·0 cites·15 claims
- 3747US7082496B2Cache control method and apparatusHITACHI LTD·Filed 2003·Granted Jul 25, 2006·0 cites·10 claims
- 3846US2015370484A1Storage device and data input/output methodHITACHI LTD·Filed 2013·Application pending·0 cites
- 3945US10013322B2Storage apparatus and storage apparatus control methodHITACHI LTD·Filed 2013·Granted Jul 3, 2018·0 cites·18 claims
- 4044US2015363134A1Storage apparatus and data managementHITACHI LTD·Filed 2013·Application pending·0 cites
- 4143US8886869B2Storage system and data control method thereforNOBORIKAWA YOSHIYUKI·Filed 2011·Granted Nov 11, 2014·0 cites·16 claims
- 4239US10915441B2Storage system having non-volatile memory deviceHITACHI LTD·Filed 2017·Granted Feb 9, 2021·0 cites·9 claims
- 4339US2014160591A1Storage apparatus and data management methodSAKAMOTO NAOKI·Filed 2012·Application pending·0 cites
- 4437US6085286ACache control method and apparatusHITACHI LTD·Filed 1998·Granted Jul 4, 2000·6 cites·4 claims
- 4535US10684785B2Storage systemHITACHI LTD·Filed 2017·Granted Jun 16, 2020·0 cites·13 claims
- 4632US9015410B2Storage control apparatus unit and storage system comprising multiple storage control apparatus unitsMIZUTA RIKIYA·Filed 2011·Granted Apr 21, 2015·0 cites·11 claims
- 4731US10838855B2Storage system and storage control methodHITACHI LTD·Filed 2017·Granted Nov 17, 2020·0 cites·11 claims
- 4831US2018275894A1Storage systemHITACHI LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →