56 US patents granted on 30 May 2006 and assigned to Hitachi
| 1 | 7,055,057 | Coherency of non-committed replicate data after failover/failback |
| 2 | 7,055,053 | System and method for failover |
| 3 | 7,055,011 | Remote copy network |
| 4 | 7,055,001 | Storage array controller with a nonvolatile memory as a cache memory and control method of the same |
| 5 | 7,054,997 | Disk array system and cache control method |
| 6 | 7,054,893 | Method and apparatus for relocating data related to database management system |
| 7 | 7,054,860 | Method and system for retrieving a document and computer readable storage medium |
| 8 | 7,054,756 | Bacteriological examination system |
| 9 | 7,054,726 | Control apparatus for vehicle-use electric power generator |
| 10 | 7,054,707 | Electronic component mounting system and electronic component mounting method |
| 11 | 7,054,649 | Mobile terminal and control method therefor |
| 12 | 7,054,634 | Multi-service radio communication system |
| 13 | 7,054,546 | Data multiplexing method, data recorded medium, data recording apparatus and data recording program |
| 14 | 7,054,523 | Optical waveguide member and optical module |
| 15 | 7,054,334 | Pathsize control method and operation of transmission apparatus |
| 16 | 7,054,319 | VPN router and VPN identification method by using logical channel identifiers |
| 17 | 7,054,266 | Switch provided with capability of switching a path |
| 18 | 7,054,265 | Communication apparatus and communication system |
| 19 | 7,054,234 | Near-field high density magneto-optical recording head |
| 20 | 7,054,214 | Semiconductor device |
| 21 | 7,054,200 | Semiconductor device |
| 22 | 7,054,157 | Frequency converter |
| 23 | 7,054,120 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect |
| 24 | 7,054,111 | Disk drive actuator-pivot assembly with corrugated rings |
| 25 | 7,054,109 | Balanced and damped suspension for use in a disk drive |
| 26 | 7,054,106 | Magnetic head and magnetic storage apparatus |
| 27 | 7,054,105 | Magnetic recording head for perpendicular recording and including a portion protruding toward a mail pole and magnetic disc storage apparatus mounting the magnetic head |
| 28 | 7,054,090 | Data storage device, recording medium, servo writing method, and data reading/writing method |
| 29 | 7,054,089 | Magnetic disk storage system |
| 30 | 7,054,085 | Use of shunt resistor with large RA product tunnel barriers |
| 31 | 7,054,084 | Method, apparatus and program storage device for sensing increased resistance changes in an MR element to detect MR sensor events |
| 32 | 7,054,004 | Capillary array and capillary array photodetector |
| 33 | 7,053,892 | CAD data evaluation method and evaluation apparatus |
| 34 | 7,053,877 | Liquid crystal display control device |
| 35 | 7,053,868 | Plasma display apparatus |
| 36 | 7,053,670 | Semiconductor integrated circuit device and semiconductor integrated circuit |
| 37 | 7,053,621 | Split type NMR magnet device and NMR apparatus for solution analysis with at least an 11 T static magnetic field and different energizing directions of the NMR magnets |
| 38 | 7,053,619 | Superconductor probe coil for NMR apparatus |
| 39 | 7,053,544 | Display device |
| 40 | 7,053,502 | Power supply with uninterruptible function |
| 41 | 7,053,471 | Memory card |
| 42 | 7,053,389 | Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel device |
| 43 | 7,053,376 | Radiological imaging apparatus and radiological imaging method and radiological imaging support method |
| 44 | 7,053,372 | Standard sample for transmission electron microscope (TEM) elemental mapping and TEM elemetal mapping method using the same |
| 45 | 7,053,371 | Scanning electron microscope with measurement function |
| 46 | 7,053,367 | Mass spectrometer |
| 47 | 7,052,786 | Engineered interface for low fly height |
| 48 | 7,052,731 | Plasma processing apparatus, protecting layer therefor and installation of protecting layer |
| 49 | 7,052,570 | Beads alignment structure, production method thereof, and bead alignment method for capillary beads array |
| 50 | 7,052,389 | Air shower apparatus |
| 51 | 7,052,306 | Package with lock mechanism |
| 52 | 7,052,250 | Reciprocating compressor |
| 53 | 7,052,237 | Turbine blade and turbine |
| 54 | 7,051,916 | Friction stir welding method |
| 55 | 7,051,724 | Car-mounted igniter using IGBT |
| 56 | 7,051,589 | Heating resistor flow rate measuring instrument |