Inventor · disambiguated record
Tsutomu Koga
Also filed as: KOGA TSUTOMU
17 granted patents·1 pending application·122 citations·filing 2004–2015
93Inventor score
Top patents by PatentIndex Score
18 records- 0188US7996605B2Storage controller and method for controlling the sameHITACHI LTD·Filed 2008·Granted Aug 9, 2011·16 cites·9 claims
- 0286US7809983B2Storage system that finds occurrence of power source failureHITACHI LTD·Filed 2008·Granted Oct 5, 2010·13 cites·14 claims
- 0382US8225036B2Storage controller and method for controlling the sameKOGA TSUTOMU·Filed 2011·Granted Jul 17, 2012·7 cites·9 claims
- 0481US8312325B2Storage system that finds occurrence of power source failureSUZUKI HIROSHI·Filed 2011·Granted Nov 13, 2012·5 cites·20 claims
- 0580US8037362B2Storage system that finds occurrence of power source failureHITACHI LTD·Filed 2010·Granted Oct 11, 2011·5 cites·18 claims
- 0680US7570447B2Storage control device and method for detecting write errors to storage mediaHITACHI LTD·Filed 2004·Granted Aug 4, 2009·32 cites·16 claims
- 0777US8402189B2Information processing apparatus and data transfer methodKOGA TSUTOMU·Filed 2010·Granted Mar 19, 2013·7 cites·11 claims
- 0877US7774641B2Storage subsystem and control method thereofHITACHI LTD·Filed 2008·Granted Aug 10, 2010·8 cites·14 claims
- 0977US7522426B2Storage controllerHITACHI LTD·Filed 2005·Granted Apr 21, 2009·6 cites·5 claims
- 1069US7042735B2Fitting substrate for connection and fitting substrate for connection for use in disk array control apparatusHITACHI LTD·Filed 2004·Granted May 9, 2006·14 cites·2 claims
- 1167US7752358B2Storage apparatus and conversion board for increasing the number of hard disk drive heads in a given, limited spaceHITACHI LTD·Filed 2006·Granted Jul 6, 2010·4 cites·14 claims
- 1262US7839653B2Storage controllerHITACHI LTD·Filed 2009·Granted Nov 23, 2010·1 cites·2 claims
- 1361US8677181B2Storage apparatus and method of detecting power failure in storage apparatusNAKAYAMA YOSUKE·Filed 2010·Granted Mar 18, 2014·1 cites·20 claims
- 1459US8560878B2System and method for failure detection by a storage expander preceding an expander experiencing a failureWASHIYA KOJI·Filed 2011·Granted Oct 15, 2013·2 cites·9 claims
- 1557US8745448B2Storage system, storage control apparatus and method for failure recoveryKOGA TSUTOMU·Filed 2012·Granted Jun 3, 2014·1 cites·12 claims
- 1638US10579304B2Storage apparatus and information processing programHITACHI LTD·Filed 2015·Granted Mar 3, 2020·0 cites·13 claims
- 1737US9495235B2Identifying a physical device in which a fault has occurred in a storage systemHITACHI LTD·Filed 2013·Granted Nov 15, 2016·0 cites·15 claims
- 1832US2018052632A1Storage system and storage control methodHITACHI LTD·Filed 2015·Application pending·0 cites
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