52 US patents granted on 19 May 2009 and assigned to Hitachi
| 1 | D592,751 | Radio frequency coil for magnetic resonance imaging apparatus |
| 2 | 7,536,700 | Disc drive unit |
| 3 | 7,536,609 | Reasonable clock adjustment for storage system |
| 4 | 7,536,592 | Storage system and snapshot data preparation method in storage system |
| 5 | 7,536,576 | Storage apparatus and power supply control method thereof |
| 6 | 7,536,527 | Data-migration method |
| 7 | 7,536,523 | Point in time remote copy for multiple sites |
| 8 | 7,536,522 | Computer system for copying data between virtual storage areas |
| 9 | 7,536,491 | System, method and apparatus for multiple-protocol-accessible OSD storage subsystem |
| 10 | 7,536,444 | Remote copying system and remote copying method |
| 11 | 7,536,422 | Method for process substitution on a database management system |
| 12 | 7,536,279 | Method for providing power plant maintenance services |
| 13 | 7,536,254 | Traffic information estimating system |
| 14 | 7,536,239 | Chemical substance total management system, storage medium storing chemical substance management program and chemical substance total management method |
| 15 | 7,536,110 | Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio |
| 16 | 7,535,683 | Magnetoresistive head with improved in-stack longitudinal biasing layers |
| 17 | 7,535,678 | Method and system for utilizing flexible members in a head gimbal assembly to reduce impact of operational disturbances of slider flying height |
| 18 | 7,535,676 | Slider with bonding pads opposite the air bearing surface |
| 19 | 7,535,675 | Magnetic recording head with shaped pole |
| 20 | 7,535,674 | Narrow pitch tape head array using an orthogonal backgap |
| 21 | 7,535,673 | Fluid dynamic bearing comprising a lubricating fluid having tolutriazole |
| 22 | 7,535,672 | Magnetic disk drive with elastic support member |
| 23 | 7,535,671 | Disk drive with airflow control and fins at a transition surface between base surfaces |
| 24 | 7,535,666 | Disk-type storage medium driving apparatus and disk-type storage medium rotation speed control method |
| 25 | 7,535,648 | Projection type image display |
| 26 | 7,535,562 | Apparatus and method for defect inspection |
| 27 | 7,535,561 | Defect inspecting apparatus |
| 28 | 7,535,536 | Display device |
| 29 | 7,535,530 | Liquid crystal display device |
| 30 | 7,535,439 | Display device and method for driving a display device |
| 31 | 7,535,438 | Plasma display apparatus with increased peak luminance |
| 32 | 7,535,365 | Radio frequency IC tag and method for manufacturing same |
| 33 | 7,535,364 | Antenna apparatus |
| 34 | 7,535,353 | Surveillance system and surveillance method |
| 35 | 7,535,348 | Surveillance system with surveillance terminals and surveillance center |
| 36 | 7,535,261 | Logic circuit |
| 37 | 7,535,226 | Nuclear magnetic resonance imaging apparatus |
| 38 | 7,535,147 | Turbine generator having an A/C exciter |
| 39 | 7,535,092 | Si power device mounted on a substrate including arrangements to prevent damage to connection layers due to heat treatment |
| 40 | 7,535,026 | Semiconductor light-emitting device with high brightness and low operating voltage |
| 41 | 7,535,024 | Display device and fabrication method thereof |
| 42 | 7,535,008 | Radiation imaging system and nuclear medicine diagnosis instrument therefor |
| 43 | 7,534,957 | Cord switch and detecting apparatus using the same |
| 44 | 7,534,730 | Producing method of semiconductor device and substrate processing apparatus |
| 45 | 7,534,555 | Plating using copolymer |
| 46 | 7,534,507 | Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same |
| 47 | 7,534,311 | R-t-b sintered magnet and rare earth alloy |
| 48 | 7,534,195 | Method of controlling a vehicle and system of controlling the same |
| 49 | 7,533,848 | Tape reel and magnetic tape cartridge |
| 50 | 7,533,662 | Apparatus for and method of controlling air-fuel ratio of engine |
| 51 | 7,533,633 | Establishing a connection between steam generator heating surfaces and a collector and/or distributor |
| 52 | 7,533,459 | Electronic component mounting method and electronic component mounting apparatus |
