Assignee
HITACHI LTD
39,044 granted patents·4,946 pending applications·1,041,031 citations·filing 1967–2025
Top patents by PatentIndex Score
43,990 records- 0199US9606745B2Storage system and method for allocating resourceHITACHI LTD·Filed 2016·Granted Mar 28, 2017·66 cites·18 claims
- 0299US8045116B2Liquid crystal display deviceHITACHI LTD·Filed 2011·Granted Oct 25, 2011·46 cites·7 claims
- 0399US8035786B2Liquid crystal display deviceHITACHI LTD·Filed 2011·Granted Oct 11, 2011·46 cites·6 claims
- 0499US7978471B2Electric power conversion apparatusHITACHI LTD·Filed 2009·Granted Jul 12, 2011·68 cites·15 claims
- 0599US7936429B2Liquid crystal display deviceHITACHI LTD·Filed 2010·Granted May 3, 2011·57 cites·6 claims
- 0699US7903407B2Cooling systems and electronic apparatusHITACHI LTD·Filed 2009·Granted Mar 8, 2011·110 cites·6 claims
- 0799US7870105B2Methods and apparatus for deduplication in storage systemHITACHI LTD·Filed 2007·Granted Jan 11, 2011·419 cites·21 claims
- 0899US7836332B2Method and apparatus for managing virtual ports on storage systemsHITACHI LTD·Filed 2007·Granted Nov 16, 2010·182 cites·14 claims
- 0999US7818495B2Storage device and deduplication methodHITACHI LTD·Filed 2008·Granted Oct 19, 2010·116 cites·18 claims
- 1099US7757038B2Storage device and storing methodHITACHI LTD·Filed 2007·Granted Jul 13, 2010·339 cites·12 claims
- 1199US7733455B2Liquid crystal display deviceHITACHI LTD·Filed 2008·Granted Jun 8, 2010·55 cites·11 claims
- 1299US7705949B2Liquid crystal display deviceHITACHI LTD·Filed 2008·Granted Apr 27, 2010·53 cites·7 claims
- 1399US7697100B2Liquid crystal display deviceHITACHI LTD·Filed 2007·Granted Apr 13, 2010·46 cites·7 claims
- 1499US7692748B2Liquid crystal display deviceHITACHI LTD·Filed 2008·Granted Apr 6, 2010·49 cites·10 claims
- 1599US7692144B2Electron beam exposure or system inspection or measurement apparatus and its method and height detection apparatusHITACHI LTD·Filed 2007·Granted Apr 6, 2010·42 cites·15 claims
- 1699US7683996B2Liquid crystal display deviceHITACHI LTD·Filed 2008·Granted Mar 23, 2010·46 cites·6 claims
- 1799US7553756B2Process for producing semiconductor integrated circuit deviceHITACHI LTD·Filed 2006·Granted Jun 30, 2009·222 cites·20 claims
- 1899US7456924B2Liquid crystal display deviceHITACHI LTD·Filed 2007·Granted Nov 25, 2008·61 cites·6 claims
- 1999US7425717B2Particle beam irradiation apparatus, treatment planning unit, and particle beam irradiation methodHITACHI LTD·Filed 2006·Granted Sep 16, 2008·156 cites·5 claims
- 2099US7409492B2Storage system using flash memory modules logically grouped for wear-leveling and RAIDHITACHI LTD·Filed 2006·Granted Aug 5, 2008·198 cites·31 claims
- 2199US7379328B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted May 27, 2008·115 cites·2 claims
- 2299US7355189B2Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel deviceHITACHI LTD·Filed 2006·Granted Apr 8, 2008·191 cites·9 claims
- 2399US7245336B2Liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Jul 17, 2007·135 cites·10 claims
- 2499US7227161B2Particle beam irradiation apparatus, treatment planning unit, and particle beam irradiation methodHITACHI LTD·Filed 2005·Granted Jun 5, 2007·170 cites·14 claims
- 2599US7104444B2Method and system to prevent fraudulent payment in credit/debit card transactions, and terminals thereforHITACHI LTD·Filed 2005·Granted Sep 12, 2006·170 cites·3 claims
- 2699US7096315B2Method for analyzing performance informationHITACHI LTD·Filed 2004·Granted Aug 22, 2006·260 cites·8 claims
- 2799US7085904B2Storage system and method for backupHITACHI LTD·Filed 2004·Granted Aug 1, 2006·495 cites·21 claims
- 2899US7082321B2Radio communication system using adaptive array antennaHITACHI LTD·Filed 2003·Granted Jul 25, 2006·213 cites·4 claims
- 2999US7069383B2Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2005·Granted Jun 27, 2006·325 cites·8 claims
- 3099US7053389B2Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel deviceHITACHI LTD·Filed 2004·Granted May 30, 2006·189 cites·14 claims
- 3199US7046630B2Packet switching network, packet switching equipment and network management equipmentHITACHI LTD·Filed 2002·Granted May 16, 2006·333 cites·4 claims
- 3299US6977463B2Display moduleHITACHI LTD·Filed 2005·Granted Dec 20, 2005·64 cites·16 claims
- 3399US6972669B2On-vehicle breakdown-warning report systemHITACHI LTD·Filed 2003·Granted Dec 6, 2005·125 cites·6 claims
- 3499US6913194B2Method and system to prevent fraudulent payment in credit/debit card transactions, and terminals thereforHITACHI LTD·Filed 2003·Granted Jul 5, 2005·214 cites·5 claims
- 3599US6889211B1Method and system for distributing multimedia data with management informationHITACHI LTD·Filed 2000·Granted May 3, 2005·540 cites·18 claims
- 3699US6883111B2Data recording method and data recording apparatusHITACHI LTD·Filed 2002·Granted Apr 19, 2005·142 cites·20 claims
- 3799US6741977B1Image recording/reproducing apparatus in monitor systemHITACHI LTD·Filed 2000·Granted May 25, 2004·309 cites·21 claims
- 3899US6738034B2Picture image display device and method of driving the sameHITACHI LTD·Filed 2001·Granted May 18, 2004·223 cites·11 claims
- 3999US6669487B1IC cardHITACHI LTD·Filed 2000·Granted Dec 30, 2003·240 cites·26 claims
- 4099US6664552B2Method and apparatus for specimen fabricationHITACHI LTD·Filed 2001·Granted Dec 16, 2003·139 cites·2 claims
- 4199US6614684B1Semiconductor integrated circuit and nonvolatile memory elementHITACHI LTD·Filed 2000·Granted Sep 2, 2003·353 cites·26 claims
- 4299US6583846B1Liquid crystal display device with spacer covered with an electrodeHITACHI LTD·Filed 2000·Granted Jun 24, 2003·121 cites·14 claims
- 4399US6549497B2Optical reproducing methodHITACHI LTD·Filed 2002·Granted Apr 15, 2003·244 cites·8 claims
- 4499US6538249B1Image-formation apparatus using charged particle beams under various focus conditionsHITACHI LTD·Filed 2000·Granted Mar 25, 2003·118 cites·36 claims
- 4599US6532579B2Semiconductor integrated circuit and design method and manufacturing method of the sameHITACHI LTD·Filed 2001·Granted Mar 11, 2003·290 cites·4 claims
- 4699US6424128B1Electronic device having power supply regulators controlled according to operation mode of internal circuitHITACHI LTD·Filed 2001·Granted Jul 23, 2002·133 cites·16 claims
- 4799US6301592B1Method of and an apparatus for displaying version information and configuration information and a computer-readable recording medium on which a version and configuration information display program is recordedHITACHI LTD·Filed 1998·Granted Oct 9, 2001·1.1k cites·12 claims
- 4899US6266116B1In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 1996·Granted Jul 24, 2001·359 cites·24 claims
- 4999US6265837B1Charged-particle beam irradiation method and systemHITACHI LTD·Filed 1999·Granted Jul 24, 2001·248 cites·14 claims
- 5099US6216538B1Particle handling apparatus for handling particles in fluid by acoustic radiation pressureHITACHI LTD·Filed 1996·Granted Apr 17, 2001·301 cites·46 claims
Showing the top 50 of 43,990 patent records by PatentIndex Score.
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