52 US patents granted on 30 December 2008 and assigned to Hitachi
| 1 | D583,817 | Personal authentication device |
| 2 | 7,472,415 | Digital signal processing apparatus |
| 3 | 7,472,410 | Video transmission apparatus for connecting to a network |
| 4 | 7,472,407 | Optical disc apparatus having dynamic damper mechanism |
| 5 | 7,472,388 | Job monitoring system for browsing a monitored status overlaps with an item of a pre-set browsing end date and time |
| 6 | 7,472,387 | System for supplying semiconductor manufacturing system control programs |
| 7 | 7,472,308 | Storage switch system, storage switch method, management server, management method, and management program |
| 8 | 7,472,250 | Storage control device, and control method for storage control device |
| 9 | 7,472,243 | Storage system and control method thereof |
| 10 | 7,472,241 | Storage system and backup method |
| 11 | 7,472,240 | Storage system with plural control device affiliations |
| 12 | 7,472,239 | Storage system and data management method |
| 13 | 7,472,222 | HDD having both DRAM and flash memory |
| 14 | 7,472,179 | System management method for a data center |
| 15 | 7,472,173 | Remote data copying among storage systems |
| 16 | 7,472,143 | File migration device |
| 17 | 7,472,139 | Database recovery method applying update journal and database log |
| 18 | 7,472,125 | Method for managing a database system |
| 19 | 7,472,122 | Computer system and method for managing file versions |
| 20 | 7,471,990 | Design and manufacture aiding apparatus and method |
| 21 | 7,471,962 | High-frequency switch circuit, high-frequency switch module and wireless communications device comprising it |
| 22 | 7,471,894 | Manufacturing method of color cathode ray tube |
| 23 | 7,471,874 | Reproducing apparatus and method |
| 24 | 7,471,837 | Recording medium having recorded thereon coded information using plus and/or minus rounding of images |
| 25 | 7,471,836 | Recording medium having recorded thereon coded information using plus and/or minus rounding of images |
| 26 | 7,471,715 | Receiver for receiving a spectrum dispersion signal |
| 27 | 7,471,605 | Highly adaptive recording method and optical recording apparatus |
| 28 | 7,471,597 | Optical disc apparatus switching focus point between layers |
| 29 | 7,471,525 | Converter and power converter that becomes it with the converter |
| 30 | 7,471,380 | Rubbing angle-measuring equipment, and manufacturing methods of liquid crystal display device and optical film |
| 31 | 7,471,361 | Liquid crystal display with particular phase plates having specific axis angles |
| 32 | 7,471,353 | Liquid crystal display device |
| 33 | 7,471,349 | Display device |
| 34 | 7,471,261 | Display device |
| 35 | 7,471,183 | Transformer |
| 36 | 7,471,087 | Compensated NMR probe with high Q value for NMR apparatus |
| 37 | 7,471,038 | Image display device |
| 38 | 7,471,004 | Driving/electric-power generating system for vehicle |
| 39 | 7,470,923 | Semiconductor integrated circuit device |
| 40 | 7,470,918 | Method and apparatus for processing a micro sample |
| 41 | 7,470,888 | Damage detection system |
| 42 | 7,470,568 | Method of manufacturing a semiconductor device |
| 43 | 7,470,332 | Production method for soft magnetic sintered member |
| 44 | 7,470,104 | Blower |
| 45 | 7,469,912 | Bracket of steering rack housing |
| 46 | 7,469,879 | Throttle device and motor therefor |
| 47 | 7,469,811 | Electric driving machine |
| 48 | 7,469,582 | Heating resistor type flow measuring device housing structure having projection and recess for preventing mis-installation |
| 49 | 7,469,467 | Method of manufacturing a perpendicular write head |
| 50 | 7,469,466 | Method for providing a temporary, deep shunt on wafer structures for electrostatic discharge protection during processing |
| 51 | 7,469,465 | Method of providing a low-stress sensor configuration for a lithography-defined read sensor |
| 52 | 7,469,463 | Method for forming a dual actuator pivot |
