29 US patents granted on 23 December 2008 and assigned to Hitachi
| 1 | 7,469,358 | External storage and data recovery method for external storage as well as program |
| 2 | 7,469,351 | Multiple computer equipment and management method for determining number of AC-DC power modules to be operated by calculating power consumption based upon system information |
| 3 | 7,469,330 | Storage system having a first computer, a second computer connected to the first computer via a network, and a storage device system that is accessed by the second computer |
| 4 | 7,469,327 | System and method for restricting access to logical volumes |
| 5 | 7,469,315 | Storage controller, and method of controlling storage controller to improve the reliability of the storage controller |
| 6 | 7,469,307 | Storage system with DMA controller which controls multiplex communication protocol |
| 7 | 7,469,289 | Storage system having virtualized resource |
| 8 | 7,469,281 | Network topology management system, management apparatus, management method, management program, and storage media that records management program |
| 9 | 7,469,260 | File storage service system, file management device, file management method, ID denotative NAS server and file reading method |
| 10 | 7,469,156 | Portable information terminal |
| 11 | 7,468,870 | Magnetoresistive head, with second magnetic domain control layers and manufacturing method thereof |
| 12 | 7,468,868 | Rotary disk storage device |
| 13 | 7,468,861 | Magnetic disk apparatus with shield for magnetic head |
| 14 | 7,468,853 | Storage apparatus and control method therefor |
| 15 | 7,468,852 | Method of demagnetizing magnetic recording medium and apparatus for carrying out same |
| 16 | 7,468,787 | Finger identification apparatus |
| 17 | 7,468,774 | Liquid crystal display mounted with IC tag and method for manufacturing the same |
| 18 | 7,468,725 | Method and apparatus for describing solid shapes, and CAD/CAM system which employs the method |
| 19 | 7,468,715 | Image display device |
| 20 | 7,468,554 | Heat sink board and manufacturing method thereof |
| 21 | 7,468,542 | Magnetoresistive device and nonvolatile magnetic memory equipped with the same |
| 22 | 7,468,294 | Semiconductor device and a method of manufacturing the same |
| 23 | 7,467,872 | Projection optical unit and projection type video display device using the unit |
| 24 | 7,467,739 | Combustion-powered, fastener-driving tool generating sparks in succession when triggered |
| 25 | 7,467,546 | Equipment for measuring gas flow rate |
| 26 | 7,467,464 | Method of manufacturing a memory card |
| 27 | 7,467,461 | Additive gap process to define trailing and side shield gap for a perpendicular write head |
| 28 | 7,467,459 | Method for manufacturing a current in plane magnetoresistive sensor having a contiguous hard bias layer located at back edge of stripe height |
| 29 | 7,467,458 | Method for use in making a read head |
