Inventor · disambiguated record
Akihisa Hirasawa
Also filed as: HIRASAWA AKIHISA
9 granted patents·132 citations·filing 1991–2012
89Inventor score
Top patents by PatentIndex Score
9 records- 0196US8151046B2Disk array apparatus and method for controlling the sameSUZUKI KATSUYOSHI·Filed 2009·Granted Apr 3, 2012·39 cites·14 claims
- 0290US7080201B2Disk array apparatus and method for controlling the sameHITACHI LTD·Filed 2003·Granted Jul 18, 2006·32 cites·29 claims
- 0387US7461203B2Disk array apparatus and method for controlling the sameHITACHI LTD·Filed 2005·Granted Dec 2, 2008·5 cites·47 claims
- 0479US7523258B2Disk array apparatus and method for controlling the sameHITACHI LTD·Filed 2005·Granted Apr 21, 2009·2 cites·15 claims
- 0573US8200898B2Storage apparatus and method for controlling the sameSUZUKI KATSUYOSHI·Filed 2010·Granted Jun 12, 2012·2 cites·54 claims
- 0664US5235681AImage filing system for protecting partial regions of image data of a documentHITACHI LTD·Filed 1991·Granted Aug 10, 1993·42 cites·10 claims
- 0761US6970974B2Method for managing disk drives of different types in disk array deviceHITACHI LTD·Filed 2004·Granted Nov 29, 2005·10 cites·22 claims
- 0858US8429342B2Drive apparatus and method for controlling the sameSUZUKI KATSUYOSHI·Filed 2012·Granted Apr 23, 2013·0 cites·16 claims
- 0957US7587548B2Disk array apparatus and method for controlling the sameHITACHI LTD·Filed 2005·Granted Sep 8, 2009·0 cites·28 claims
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