54 US patents granted on 02 March 2010 and assigned to Hitachi
| 1 | 7,673,168 | Network node, switch, and network failure recovery method |
| 2 | 7,673,112 | Volume management system and method |
| 3 | 7,673,110 | Control method of device in storage system for virtualization |
| 4 | 7,673,107 | Storage system and storage control device |
| 5 | 7,673,106 | Computer system, management method and storage network system |
| 6 | 7,673,033 | Storage unit information control system for user terminal |
| 7 | 7,673,022 | Information processing apparatus having SMP license information |
| 8 | 7,673,012 | Virtual file servers with storage device |
| 9 | 7,672,980 | System, apparatus and method for reading data |
| 10 | 7,672,863 | System and method for load balancing based on service level objectives and information on the contents of start and finish processes of business services |
| 11 | 7,672,799 | Defect inspection apparatus and defect inspection method |
| 12 | 7,672,768 | Operation assist apparatus |
| 13 | 7,672,569 | Moving picture recording and sending device having zoom processing capability |
| 14 | 7,672,488 | Personal identification device and method |
| 15 | 7,672,224 | System and method for data multiplexing |
| 16 | 7,672,206 | Recording method of optical disc device and method for determining whether there is abnormality in the same |
| 17 | 7,672,205 | Method for variably controlling data read speed in optical disc drive |
| 18 | 7,672,173 | Non-volatile semiconductor memory device and semiconductor memory device |
| 19 | 7,672,094 | TMR sensor having an under-layer treated with nitrogen for increased magnetoresistance |
| 20 | 7,672,090 | Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer |
| 21 | 7,672,089 | Current-perpendicular-to-plane sensor with dual keeper layers |
| 22 | 7,672,051 | Optical film and surface light source using it |
| 23 | 7,671,980 | Surface inspection method and surface inspection apparatus |
| 24 | 7,671,977 | Personal identification system |
| 25 | 7,671,901 | Image processing apparatus and mobile terminal apparatus |
| 26 | 7,671,825 | Method of driving organic EL device and display device |
| 27 | 7,671,558 | Induction motor controller |
| 28 | 7,671,534 | Liquid crystal display, illuminant module and its manufacturing method |
| 29 | 7,671,510 | Ultrasonic actuator, driving method of the ultrasonic actuator, lens driver, and portable device |
| 30 | 7,671,502 | Driving apparatus |
| 31 | 7,671,485 | Storage system |
| 32 | 7,671,465 | Power semiconductor module |
| 33 | 7,671,462 | Power semiconductor device |
| 34 | 7,671,370 | Display device and fabrication method thereof |
| 35 | 7,671,249 | Operation input device, telecontrol system and telecontrol method |
| 36 | 7,670,992 | Method of producing probe arrays for biological materials using fine particles |
| 37 | 7,670,861 | Controlling stress in MEMS structures |
| 38 | 7,670,858 | Semiconductor device and manufacturing method thereof |
| 39 | 7,670,856 | Nitride semiconductor substrate and method of making same |
| 40 | 7,670,696 | Perpendicular magnetic recording medium with patterned magnetic islands and nonmagnetic trenches and manufacturing method for suppressing surface diffusion of trench material |
| 41 | 7,670,694 | Media for recording devices |
| 42 | 7,670,564 | Liquid dispensing apparatus, automatic analyzer using same, and liquid surface detecting apparatus |
| 43 | 7,670,561 | Micro fluidic device and joint therefor |
| 44 | 7,670,558 | Chemical analysis apparatus and chemical analysis method |
| 45 | 7,670,443 | Magnetic alloy material and method of making the magnetic alloy material |
| 46 | 7,670,131 | Imprinting jig and imprinting apparatus |
| 47 | 7,670,099 | Working arm for construction machine and method of producing the same |
| 48 | 7,670,031 | Lighting device and display apparatus |
| 49 | 7,670,009 | Projection-type image display apparatus |
| 50 | 7,670,007 | Projection display, projection optical system and transmission lens or free curved lens |
| 51 | 7,669,761 | Sales shop system |
| 52 | 7,669,637 | Impeller for supercharger and method of manufacturing the same |
| 53 | 7,669,510 | Miter saw having holder fixing mechanism |
| 54 | 7,669,418 | Heat energy supply system and method, and reconstruction method of the system |