Assignee
HITACHI ULSI SYS CO LTD
JP·154 granted patents·9 pending applications·2,566 citations·filing 1998–2013
Top patents by PatentIndex Score
163 records- 0196US7158332B2Magnetic disk storage systemHITACHI ULSI SYS CO LTD·Filed 2005·Granted Jan 2, 2007·32 cites·15 claims
- 0296US7071485B2Semiconductor integrated circuit deviceHITACHI ULSI SYS CO LTD·Filed 2004·Granted Jul 4, 2006·74 cites·16 claims
- 0396US6998674B2Semiconductor integrated circuit device with reduced leakage currentHITACHI ULSI SYS CO LTD·Filed 2005·Granted Feb 14, 2006·28 cites·6 claims
- 0496US6972918B2Magnetic disk memory systemHITACHI ULSI SYS CO LTD·Filed 2003·Granted Dec 6, 2005·64 cites·20 claims
- 0595US7282377B2Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chipHITACHI ULSI SYS CO LTD·Filed 2005·Granted Oct 16, 2007·30 cites·21 claims
- 0695US7057230B2Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speedHITACHI ULSI SYS CO LTD·Filed 2002·Granted Jun 6, 2006·65 cites·21 claims
- 0795US6963136B2Semiconductor integrated circuit deviceHITACHI ULSI SYS CO LTD·Filed 2001·Granted Nov 8, 2005·170 cites·4 claims
- 0894US7126868B2Semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2005·Granted Oct 24, 2006·25 cites·9 claims
- 0994US7114117B2Memory card and memory controllerHITACHI ULSI SYS CO LTD·Filed 2002·Granted Sep 26, 2006·64 cites·11 claims
- 1093US7105394B2Semiconductor device and a method of manufacturing the sameHITACHI ULSI SYS CO LTD·Filed 2002·Granted Sep 12, 2006·100 cites·21 claims
- 1193US6909882B2Signal processing semiconductor integrated circuit device and wireless communication systemHITACHI ULSI SYS CO LTD·Filed 2002·Granted Jun 21, 2005·58 cites·21 claims
- 1293US6535189B1Liquid crystal display device having an improved gray-scale voltage generating circuitHITACHI ULSI SYS CO LTD·Filed 2000·Granted Mar 18, 2003·72 cites·13 claims
- 1392US7286416B2Non-volatile semiconductor memory device and semiconductor memory deviceHITACHI ULSI SYS CO LTD·Filed 2005·Granted Oct 23, 2007·31 cites·5 claims
- 1492US7193912B2Semiconductor integrated circuit deviceHITACHI ULSI SYS CO LTD·Filed 2005·Granted Mar 20, 2007·32 cites·10 claims
- 1592US7053471B2Memory cardHITACHI ULSI SYS CO LTD·Filed 2002·Granted May 30, 2006·44 cites·49 claims
- 1692US6960765B2Probe driving method, and probe apparatusHITACHI ULSI SYS CO LTD·Filed 2001·Granted Nov 1, 2005·50 cites·7 claims
- 1792US6941536B2Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chipHITACHI ULSI SYS CO LTD·Filed 2001·Granted Sep 6, 2005·58 cites·21 claims
- 1892US6896523B2IC cardHITACHI ULSI SYS CO LTD·Filed 2004·Granted May 24, 2005·45 cites·11 claims
- 1992US6882568B2Memory system with improved efficiency of data transfer between host, buffer and nonvolatile memoryHITACHI ULSI SYS CO LTD·Filed 2003·Granted Apr 19, 2005·45 cites·10 claims
- 2091US7206233B2Memory system with parallel data transfer between host, buffer and flash memoryHITACHI ULSI SYS CO LTD·Filed 2005·Granted Apr 17, 2007·18 cites·10 claims
- 2191US7071640B2Rotation drive control circuit of multiphases direct current motor and the start-up method thereofHITACHI ULSI SYS CO LTD·Filed 2003·Granted Jul 4, 2006·52 cites·26 claims
- 2291US7054089B2Magnetic disk storage systemHITACHI ULSI SYS CO LTD·Filed 2003·Granted May 30, 2006·28 cites·18 claims
- 2389US7102223B1Semiconductor device and a method of manufacturing the sameHITACHI ULSI SYS CO LTD·Filed 2003·Granted Sep 5, 2006·38 cites·34 claims
- 2489US7098506B2Semiconductor device and method for fabricating the sameHITACHI ULSI SYS CO LTD·Filed 2005·Granted Aug 29, 2006·10 cites·8 claims
- 2589US7087942B2Semiconductor integrated circuit device with reduced leakage currentHITACHI ULSI SYS CO LTD·Filed 2005·Granted Aug 8, 2006·9 cites·12 claims
- 2689US6972640B2Directional coupler, high frequency circuit module and wireless communication systemHITACHI ULSI SYS CO LTD·Filed 2002·Granted Dec 6, 2005·50 cites·21 claims
- 2788US7972920B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2010·Granted Jul 5, 2011·7 cites·12 claims
- 2888US6963507B2Nonvolatile memory, semiconductor device, and method of programming to nonvolatile memoryHITACHI ULSI SYS CO LTD·Filed 2003·Granted Nov 8, 2005·39 cites·9 claims
- 2988US6931582B2Memory card and memory controllerHITACHI ULSI SYS CO LTD·Filed 2002·Granted Aug 16, 2005·42 cites·10 claims
- 3087US7242627B2Semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2006·Granted Jul 10, 2007·11 cites·6 claims
- 3187US6992936B2Semiconductor, memory card, and data processing systemHITACHI ULSI SYS CO LTD·Filed 2004·Granted Jan 31, 2006·31 cites·8 claims
- 3285US6988668B2IC card and method of manufacturing the sameHITACHI ULSI SYS CO LTD·Filed 2003·Granted Jan 24, 2006·29 cites·38 claims
- 3384US7031220B2Semiconductor memory device and semiconductor integrated circuit deviceHITACHI ULSI SYS CO LTD·Filed 2004·Granted Apr 18, 2006·25 cites·12 claims
- 3483US7322531B2Electronic device and method of manufacturing the sameHITACHI ULSI SYS CO LTD·Filed 2006·Granted Jan 29, 2008·11 cites·25 claims
- 3582US7290198B2Memory card and memory controllerHITACHI ULSI SYS CO LTD·Filed 2006·Granted Oct 30, 2007·10 cites·3 claims
- 3682US7046573B2Semiconductor integrated circuit and IC cardHITACHI ULSI SYS CO LTD·Filed 2003·Granted May 16, 2006·29 cites·17 claims
- 3781US7203101B2Semiconductor memory device and defect remedying method thereofHITACHI ULSI SYS CO LTD·Filed 2006·Granted Apr 10, 2007·5 cites·6 claims
- 3881US7190031B2Semiconductor memory device and a method of manufacturing the same, a method of manufacturing a vertical MISFET and a vertical MISFET, and a method of manufacturing a semiconductor device and a semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2003·Granted Mar 13, 2007·18 cites·71 claims
- 3981US6900551B2Semiconductor device with alternate bonding wire arrangementHITACHI ULSI SYS CO LTD·Filed 2003·Granted May 31, 2005·28 cites·13 claims
- 4080US6944686B2Data transfer control circuit with terminal sharingHITACHI ULSI SYS CO LTD·Filed 2002·Granted Sep 13, 2005·28 cites·9 claims
- 4179US7200061B2Sense amplifier for semiconductor memory deviceHITACHI ULSI SYS CO LTD·Filed 2002·Granted Apr 3, 2007·19 cites·19 claims
- 4279US7091767B2Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuitHITACHI ULSI SYS CO LTD·Filed 2005·Granted Aug 15, 2006·5 cites·6 claims
- 4379US6958940B2Nonvolatile semiconductor memory device capable of realizing optimized erasing operation in a memory arrayHITACHI ULSI SYS CO LTD·Filed 2002·Granted Oct 25, 2005·23 cites·18 claims
- 4479US6946893B2Level shift circuit and semiconductor integrated circuitHITACHI ULSI SYS CO LTD·Filed 2004·Granted Sep 20, 2005·20 cites·4 claims
- 4578US7102943B2Non-volatile semiconductor memory deviceHITACHI ULSI SYS CO LTD·Filed 2005·Granted Sep 5, 2006·8 cites·3 claims
- 4678US7060589B2Method for manufacturing a semiconductor integrated circuit device that includes covering the bottom of an isolation trench with spin-on glass and etching back the spin-on glass to a predetermined depthHITACHI ULSI SYS CO LTD·Filed 2005·Granted Jun 13, 2006·4 cites·13 claims
- 4778US6970004B2Apparatus for inspecting defects of devices and method of inspecting defectsHITACHI ULSI SYS CO LTD·Filed 2004·Granted Nov 29, 2005·18 cites·8 claims
- 4878US6937496B2Semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2004·Granted Aug 30, 2005·17 cites·7 claims
- 4978US6885057B2Semiconductor integrated circuit device with reduced leakage currentHITACHI ULSI SYS CO LTD·Filed 2002·Granted Apr 26, 2005·12 cites·8 claims
- 5078US6770528B2Method of forming a data-storing capacitive element made in an insulating film on a semiconductor substrateHITACHI ULSI SYS CO LTD·Filed 2003·Granted Aug 3, 2004·23 cites·9 claims
Showing the top 50 of 163 patent records by PatentIndex Score.
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