Inventor · disambiguated record
Katsumi Hirezaki
Also filed as: HIREZAKI KATSUMI
10 granted patents·107 citations·filing 2003–2013
86Inventor score
Top patents by PatentIndex Score
10 records- 0191US7237076B2Method of maintaining a plurality of snapshots, server apparatus and storage apparatusHITACHI LTD·Filed 2003·Granted Jun 26, 2007·66 cites·19 claims
- 0289US7302541B2System and method for switching access paths during data migrationHITACHI LTD·Filed 2005·Granted Nov 27, 2007·25 cites·18 claims
- 0377US7657721B2Method of maintaining a plurality of snapshots, server apparatus and storage apparatusHITACHI LTD·Filed 2007·Granted Feb 2, 2010·7 cites·12 claims
- 0464US7246248B2Control method of storage system, storage system, and storage apparatusHITACHI LTD·Filed 2006·Granted Jul 17, 2007·2 cites·20 claims
- 0558US7032118B2Control method of storage system, storage system, and storage apparatusHITACHI LTD·Filed 2003·Granted Apr 18, 2006·7 cites·18 claims
- 0652US7870402B2Control method of storage system, storage system, and storage apparatusHITACHI LTD·Filed 2007·Granted Jan 11, 2011·0 cites·4 claims
- 0745US9329788B2Computer system and method for allocating and recovering virtual volumesHITACHI LTD·Filed 2013·Granted May 3, 2016·0 cites·10 claims
- 0842US8868934B2Storage system including energy saving functionHIREZAKI KATSUMI·Filed 2008·Granted Oct 21, 2014·0 cites·15 claims
- 0941US8510526B2Storage apparatus and snapshot control method of the sameMUROTANI AKIRA·Filed 2010·Granted Aug 13, 2013·0 cites·12 claims
- 1039US8706961B2Storage apparatus and data management methodHIREZAKI KATSUMI·Filed 2011·Granted Apr 22, 2014·0 cites·11 claims
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