70 US patents granted on 31 October 2006 and assigned to Hitachi
| 1 | 7,131,048 | Apparatus for system decoder and method for error correction of packet data |
| 2 | 7,131,027 | Method and apparatus for disk array based I/O routing and multi-layered external storage linkage |
| 3 | 7,131,014 | Disk array device and method of supplying power to disk array device |
| 4 | 7,131,013 | Power supply control system and storage device for holding data just prior to the occurence of an error |
| 5 | 7,130,978 | Method and apparatus for controlling access to storage device |
| 6 | 7,130,976 | Remote copy method and remote copy system to eliminate use of excess volume for copying data |
| 7 | 7,130,975 | Data processing system |
| 8 | 7,130,974 | Multi-site remote-copy system |
| 9 | 7,130,971 | Assuring genuineness of data stored on a storage device |
| 10 | 7,130,961 | Disk controller and method of controlling the cache |
| 11 | 7,130,960 | System and method for managing disk space in a thin-provisioned storage subsystem |
| 12 | 7,130,959 | Subsystems and an integrated system of these subsystems |
| 13 | 7,130,954 | Data migration method, protocol converter and switching apparatus using it |
| 14 | 7,130,941 | Changing-over and connecting a first path, wherein hostscontinue accessing an old disk using a second path, and the second path of the old disk to a newly connected disk via a switch |
| 15 | 7,130,928 | Method and apparatus for managing i/o paths on a storage network |
| 16 | 7,130,912 | Data communication system using priority queues with wait count information for determining whether to provide services to client requests |
| 17 | 7,130,909 | Storage path control method |
| 18 | 7,130,900 | Storage network management system and method |
| 19 | 7,130,868 | File system for creating switched logical I/O paths for fault recovery |
| 20 | 7,130,849 | Similarity-based search method by relevance feedback |
| 21 | 7,130,832 | Energy service business method and system |
| 22 | 7,130,801 | Method for speech interpretation service and speech interpretation server |
| 23 | 7,130,765 | Performance control apparatus and method for data processing system |
| 24 | 7,130,723 | Control unit for vehicle and total control system therefor |
| 25 | 7,130,715 | Machining method and machining apparatus |
| 26 | 7,130,530 | Recording apparatus, optical disk and computer-readable recording medium |
| 27 | 7,130,529 | Recording apparatus, optical disk and computer-readable recording medium |
| 28 | 7,130,256 | Mark-length information recording system |
| 29 | 7,130,218 | Nonvolatile memory with controlled voltage boosting speed |
| 30 | 7,130,172 | Switchgear and receiving transformation apparatus using the same |
| 31 | 7,130,167 | Magnetoresistive sensor having improved synthetic free layer |
| 32 | 7,130,166 | CPP GMR with improved synthetic free layer |
| 33 | 7,130,159 | Magnetic disk apparatus |
| 34 | 7,130,153 | Stitched write head with staircase P2 defined throat height |
| 35 | 7,130,151 | Disk device and unbalance correcting method thereof |
| 36 | 7,130,144 | Substrate structure of disk array apparatus, disk array apparatus and disk array system |
| 37 | 7,130,141 | Assembly for thermal and/or thermally-assisted information processing |
| 38 | 7,130,063 | Micropattern shape measuring system and method |
| 39 | 7,130,026 | Stage control method, a stage control system, and a semiconductor manufacturing equipment |
| 40 | 7,129,999 | Liquid crystal display device |
| 41 | 7,129,998 | Liquid crystal display device comprising a peripheral area having six signal line common lines each connected every six signal lines in a driver IC mount region and four scan line common lines each connected to every four scan lines |
| 42 | 7,129,869 | Superconductor semiconductor integrated circuit |
| 43 | 7,129,727 | Defect inspecting apparatus |
| 44 | 7,129,702 | XY stage, head carriage and tester of magnetic head or magnetic disk |
| 45 | 7,129,641 | Display device having a thin film electron source array |
| 46 | 7,129,630 | Display device |
| 47 | 7,129,613 | Rotating electrical machine and drive system of cage induction motor |
| 48 | 7,129,549 | Semiconductor integrated circuit device |
| 49 | 7,129,484 | Method for pattern recognition in energized charge particle beam wafer/slider inspection/measurement systems in presence of electrical charge |
| 50 | 7,129,478 | Mass spectrometer |
| 51 | 7,129,476 | Radiological imaging apparatus and timing correction method therefor |
| 52 | 7,129,177 | Write head fabrication by inverting order of process steps |
| 53 | 7,129,145 | Method of manufacturing an IC coil mounted in an information carrier |
| 54 | 7,129,124 | Display device, process of fabricating same, and apparatus for fabricating same |
| 55 | 7,128,882 | Method and apparatus for treating perfluorocompounds |
| 56 | 7,128,791 | Heat-resistant martensite alloy excellent in high-temperature creep rupture strength and ductility and process for producing the same |
| 57 | 7,128,621 | Connecting structure and its connecting method, and rotating machinery and alternating current |
| 58 | 7,128,528 | Bearings for CO.sub.2 refrigerant compressor use, compressor using the same, and applications of the same |
| 59 | 7,128,523 | Drainage pump and underwater bearing unit |
| 60 | 7,128,422 | Display device and display optical system unit |
| 61 | 7,128,182 | Power steering system |
| 62 | 7,128,051 | Internal combustion engine, and control apparatus and method thereof |
| 63 | 7,128,048 | Control apparatus and control method for multi-cylinder engine |
| 64 | 7,127,896 | Engine cogeneration system |
| 65 | 7,127,888 | Hydraulic drive unit |
| 66 | 7,127,887 | Oil pressure circuit for working machines |
| 67 | 7,127,801 | Method for shaping pole pieces of magnetic heads by chemical mechanical polishing |
| 68 | 7,127,800 | Narrow write head pole tip fabricated by sidewall processing |
| 69 | RE39,366 | Liquid crystal driver and liquid crystal display device using the same |
| 70 | D531,152 | Digital video disc recorder with hard disk recorder |
