32 US patents granted on 15 July 2008 and assigned to Hitachi
| 1 | 7,401,256 | System and method for highly available data processing in cluster system |
| 2 | 7,401,248 | Method for deciding server in occurrence of fault |
| 3 | 7,401,225 | Method and apparatus for publishing signature log entry |
| 4 | 7,401,197 | Disk array system and method for security |
| 5 | 7,401,196 | Storage system and storage control method for access exclusion control of each storage area unit comprising storage area of storage device |
| 6 | 7,401,167 | Disk array apparatus and data relay method of the disk array apparatus |
| 7 | 7,401,118 | Web information preferential transfer system |
| 8 | 7,400,984 | Biomagnetic measurement apparatus |
| 9 | 7,400,753 | Biological sample optical measuring method and biological sample optical measuring apparatus |
| 10 | 7,400,708 | X-ray generator and X-ray CT apparatus comprising same |
| 11 | 7,400,667 | Receiver for receiving a spectrum dispersion signal |
| 12 | 7,400,646 | Multicast routing method and an apparatus for routing a multicast packet |
| 13 | 7,400,645 | Multicast routing method and an apparatus for routing a multicast packet |
| 14 | 7,400,568 | Optical device, optical pickup and optical disk apparatus |
| 15 | 7,400,470 | Head gimbal assembly and magnetic disk drive with specific solder ball or slider pad and electrode stud dimensioning to produce reliable solder ball connection using laser energy |
| 16 | 7,400,393 | Method and apparatus for detecting defects in a specimen utilizing information concerning the specimen |
| 17 | 7,400,344 | Object tracking method and object tracking apparatus |
| 18 | 7,400,137 | Magnetic encoder having a stable output property with unsaturated magnetic sensor |
| 19 | 7,400,083 | Flat panel display device including electron beam sources and control electrodes |
| 20 | 7,400,046 | Semiconductor device with guard rings that are formed in each of the plural wiring layers |
| 21 | 7,400,002 | MOSFET package |
| 22 | 7,399,966 | Scanning electron microscope |
| 23 | 7,399,964 | Electron microscope, measuring method using the same, electron microscope system, and method for controlling the system |
| 24 | 7,399,553 | Graphite particles and lithium secondary battery using the same as negative electrode |
| 25 | 7,399,540 | Perpendicular magnetic recording media, magnetic recording apparatus |
| 26 | 7,399,532 | Corrosive resistant metal material covered with conductive substance |
| 27 | 7,399,368 | Motor using magnet |
| 28 | 7,399,360 | Crucible and method of growing single crystal by using crucible |
| 29 | 7,398,768 | Electromagnetic drive mechanism and a high-pressure fuel supply pump |
| 30 | 7,398,648 | Travel control device for hydraulically driven vehicle and hydraulically driven vehicle |
| 31 | 7,398,647 | Pneumatically operated fastener driving tool |
| 32 | 7,398,592 | Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads |