Inventor · disambiguated record
Yasuhiko Ichikawa
Also filed as: ICHIKAWA YASUHIKO
13 granted patents·1 pending application·253 citations·filing 1975–2010
92Inventor score
Top patents by PatentIndex Score
14 records- 0184US7870460B2Magnetic disk drive capable of refreshing data written to disk and data refresh methodTOSHIBA KK·Filed 2009·Granted Jan 11, 2011·7 cites·6 claims
- 0284US4062631ASheet handling of a copying machineKONISHIROKU PHOTO IND·Filed 1975·Granted Dec 13, 1977·26 cites·4 claims
- 0380US8154814B2Method of refreshing data stored on a diskAOKI TAKAO·Filed 2010·Granted Apr 10, 2012·7 cites·13 claims
- 0478US7925828B2Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk driveTOSHIBA KK·Filed 2009·Granted Apr 12, 2011·3 cites·3 claims
- 0576US5890210AMagnetic disk apparatus and command processing method thereofTOSHIBA KK·Filed 1996·Granted Mar 30, 1999·77 cites·15 claims
- 0669US5942168AResin compound for molding die, molding die and material molding by the molding dieOTSUKA KAGAKU KK·Filed 1994·Granted Aug 24, 1999·35 cites·14 claims
- 0765US7864486B2Hard disc apparatus and head alignment methodTOSHIBA KK·Filed 2009·Granted Jan 4, 2011·2 cites·10 claims
- 0855US7986489B2Disk controller, disk drive device, and disk control methodTOSHIBA KK·Filed 2010·Granted Jul 26, 2011·1 cites·11 claims
- 0953US7085965B2Apparatus and method for accessing a disk containing an alternate sectorTOSHIBA KK·Filed 2003·Granted Aug 1, 2006·2 cites·22 claims
- 1052US5758191AMethod for buffer management in a disk drive having a first segment for storing burst data and a second segment used for write and read commandsTOSHIBA KK·Filed 1995·Granted May 26, 1998·32 cites·10 claims
- 1151US5727232ADisk system having buffer with designated area to be used for repeat access dataTOSHIBA KK·Filed 1995·Granted Mar 10, 1998·31 cites·18 claims
- 1244US6018788AData access control for disk system using a limit value and count value to optimize sequential and repeat accessTOSHIBA KK·Filed 1997·Granted Jan 25, 2000·18 cites·4 claims
- 1340US6332196B1Disk storage apparatus and power supply control method for the sameTOSHIBA KK·Filed 1999·Granted Dec 18, 2001·12 cites·16 claims
- 1431US2005015648A1Disk storage apparatus capable of concurrently processing data streamsTOSHIBA KK·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →