53 US patents granted on 02 June 2009 and assigned to Hitachi
| 1 | 7,543,310 | Optical disk apparatus with openings for discharging air from therein |
| 2 | 7,543,150 | Method and system for setting up hosting environments in safety |
| 3 | 7,543,129 | Storage system and storage area allocation method configuring pool areas each including logical volumes having identical allocation unit size |
| 4 | 7,543,121 | Computer system allowing any computer to copy any storage area within a storage system |
| 5 | 7,543,108 | Storage system and storage control method achieving both power saving and good performance |
| 6 | 7,542,877 | Computer system and method for controlling computer system |
| 7 | 7,542,844 | Dynamic prediction of traffic congestion by tracing feature-space trajectory of sparse floating-car data |
| 8 | 7,542,762 | Wireless communication system and test method thereof, and access terminal for testing wireless communication system |
| 9 | 7,542,719 | Wireless communication system, wireless relay unit and wireless terminal constituting the wireless communication system, and wireless communication method |
| 10 | 7,542,672 | Optical switching apparatus with optical reflection monitor and reflection monitoring system |
| 11 | 7,542,565 | Foldable cellular phone |
| 12 | 7,542,396 | Information recording apparatus, information recording medium and information recording medium |
| 13 | 7,542,387 | Defocus detection device, defocus detection method and optical disk unit using the same |
| 14 | 7,542,357 | Semiconductor device |
| 15 | 7,542,347 | Semiconductor device |
| 16 | 7,542,317 | Semiconductor device and power conversion apparatus using the same |
| 17 | 7,542,312 | Electric power converter |
| 18 | 7,542,244 | Magnetic head to prevent undesired data erasure and magnetic disk storage having the same |
| 19 | 7,542,238 | Aerodynamic magnetic head slider and magnetic disk drive |
| 20 | 7,542,228 | Frictional heat assisted recording |
| 21 | 7,542,223 | Magnetic disk drive using load/unload area for data storage |
| 22 | 7,542,152 | Method for measuring thickness of thin film, method for forming polycrystal semiconductor thin film, method for manufacturing semiconductor device, apparatus for manufacturing the same, and method for manufacturing image display device |
| 23 | 7,542,121 | Liquid crystal display device |
| 24 | 7,542,108 | Liquid crystal display device |
| 25 | 7,542,106 | Liquid crystal display device |
| 26 | 7,542,105 | Display device |
| 27 | 7,542,098 | Display device and display method |
| 28 | 7,542,080 | Measuring device using image and measurement method using image |
| 29 | 7,541,992 | Mobile radio communication device |
| 30 | 7,541,979 | Small size thin type antenna, multilayered substrate, high frequency module, and radio terminal mounting them |
| 31 | 7,541,906 | Sintered plunger and production method therefor |
| 32 | 7,541,848 | PLL circuit |
| 33 | 7,541,811 | Apparatus for electron spin resonance CT |
| 34 | 7,541,773 | Battery-powered tool capable of detecting discharged battery pack |
| 35 | 7,541,769 | Electric power converter and motor driving system |
| 36 | 7,541,758 | MOS rectifying device, driving method thereof, and motor generator and motor vehicle using thereof |
| 37 | 7,541,748 | Discharge lamp lighting device |
| 38 | 7,541,719 | Stage and X-Y stage each on which to place sample, and charged-particle beam apparatus |
| 39 | 7,541,712 | Fuel pump |
| 40 | 7,541,710 | Rotating electric machine |
| 41 | 7,541,667 | Semiconductor device and method of manufacturing the same |
| 42 | 7,541,593 | Radiation detection module, printed circuit board, and radiological imaging apparatus |
| 43 | 7,541,544 | Polyester resin composition and insulated wire using same |
| 44 | 7,541,107 | Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell |
| 45 | 7,541,104 | Borazine-based resin, and method for production thereof, borazine based resin composition, insulating coating and method for formation thereof, and electronic parts having the insulating coating |
| 46 | 7,540,959 | Process and equipment for treating ammonium containing liquid |
| 47 | 7,540,949 | Capillary array electrophoresis apparatus and method of separating and analyzing specimen |
| 48 | 7,540,722 | Blower |
| 49 | 7,540,711 | Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plant |
| 50 | 7,540,701 | Cargo transportation box body with cargo handling device |
| 51 | 7,540,571 | Motor-driven disk brake system |
| 52 | 7,540,445 | Tape cartridge |
| 53 | 7,540,274 | High pressure fuel supply pump for internal combustion engine |
