39 US patents granted on 19 August 2008 and assigned to Hitachi
| 1 | D575,224 | Battery pack |
| 2 | 7,415,729 | Storage device |
| 3 | 7,415,728 | Information security policy evaluation system and method of controlling the same |
| 4 | 7,415,629 | Method for managing pair states in a storage system |
| 5 | 7,415,593 | Storage control system |
| 6 | 7,415,589 | Data processing system with multiple storage systems |
| 7 | 7,415,587 | Method and apparatus for adjusting performance of logical volume copy destination |
| 8 | 7,415,586 | Data backup method and system |
| 9 | 7,415,582 | Storage system construction managing device and construction management method |
| 10 | 7,415,578 | Storage management method and storage management system |
| 11 | 7,415,573 | Storage system and storage control method |
| 12 | 7,415,490 | Data storage system |
| 13 | 7,415,338 | Apparatus for controlling auxiliary equipment of vehicle |
| 14 | 7,415,276 | Presence management server and system |
| 15 | 7,415,183 | Silica based glass waveguide and optical module using the same |
| 16 | 7,415,177 | Dispersion compensation device and dispersion compensation method |
| 17 | 7,414,934 | Method for controlling optical power level |
| 18 | 7,414,835 | Disk array system |
| 19 | 7,414,817 | Magnetoresistive sensor having a laminated hard magnet structure for free layer biasing |
| 20 | 7,414,816 | Planar magnetic thin film head |
| 21 | 7,414,813 | Vibration damped flexible circuit for use in a hard disk drive |
| 22 | 7,414,806 | Information recording and reproducing apparatus with power supply voltage monitoring function |
| 23 | 7,414,796 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same |
| 24 | 7,414,643 | Method for compensating for position error in an optical disc apparatus |
| 25 | 7,414,470 | Predistortion amplifier for compensation distortion |
| 26 | 7,414,402 | Coil apparatus and nuclear magnetic resonance apparatus using the same |
| 27 | 7,414,376 | Motor drive apparatus and method and electrically driven brake apparatus |
| 28 | 7,414,307 | Electronic device and pressure sensor |
| 29 | 7,414,283 | Semiconductor device |
| 30 | 7,413,845 | Elimination of write head plating defects using high activation chemically amplified resist |
| 31 | 7,413,713 | Reaction apparatus and mixing system |
| 32 | 7,413,636 | Method for manufacturing a dual spin valve sensor having a longitudinal bias stack |
| 33 | 7,413,604 | Process for producing polysilicon film |
| 34 | 7,413,554 | Wearable joint driving device |
| 35 | 7,413,130 | Paper tag identified by using radiofrequency and method of manufacturing the same |
| 36 | 7,413,107 | Friction stir welding method and structure body |
| 37 | 7,412,968 | Fuel supply apparatus for engine and control method of same apparatus |
| 38 | 7,412,967 | Engine controller |
| 39 | 7,412,846 | Isothermal transportation container |