34 US patents granted on 29 July 2008 and assigned to Hitachi
| 1 | D573,988 | Magnetic disc storage unit for electronic computer |
| 2 | 7,406,702 | Broadcasting method and broadcast receiver |
| 3 | 7,406,636 | Method of recording/reproducing digital data and apparatus for same |
| 4 | 7,406,623 | DC backup power supply system and disk array using same |
| 5 | 7,406,622 | volume and failure management method on a network having a storage device |
| 6 | 7,406,577 | Data migration method |
| 7 | 7,406,562 | Information read/write device |
| 8 | 7,406,528 | Method for communication |
| 9 | 7,406,389 | State detecting system and device employing the same |
| 10 | 7,406,310 | Network management apparatus and method of selecting base station for software update |
| 11 | 7,406,064 | Communication system, server, router, and mobile communications terminal |
| 12 | 7,406,037 | Packet forwarding apparatus with redundant routing module |
| 13 | 7,406,014 | Disc discriminating method and information reproducing apparatus using thereof |
| 14 | 7,405,909 | Current perpendicular to plane (CPP) magnetoresistive sensor with free layer biasing by exchange pinning at back edge |
| 15 | 7,405,908 | Magnetic head with improved free magnetic layer biasing for thinner CPP sensor stack |
| 16 | 7,405,905 | Perpendicular magnetic recording and reproducing head |
| 17 | 7,405,904 | Aerodynamic diverter integrated with a diffuser and a contraction in a bypass channel for a disk storage device |
| 18 | 7,405,897 | Single-pass self-servowriting method and system employing a low sector rate startup procedure |
| 19 | 7,405,896 | Method and apparatus for detecting slider/disk fly-height modulation in a hard disk drive |
| 20 | 7,405,835 | High-accuracy pattern shape evaluating method and apparatus |
| 21 | 7,405,732 | Semiconductor integrated circuit, liquid crystal drive device, and liquid crystal display system |
| 22 | 7,405,721 | Liquid crystal display device |
| 23 | 7,405,705 | Wideband antenna |
| 24 | 7,405,664 | Radio frequency IC tag and method for manufacturing the same |
| 25 | 7,405,588 | Device and data processing method employing the device |
| 26 | 7,405,488 | Power generator |
| 27 | 7,405,407 | Ion beam therapy system and its couch positioning method |
| 28 | 7,405,394 | Gas cluster-ion irradiation apparatus |
| 29 | 7,405,011 | Magnetic recording media for tilted recording |
| 30 | 7,404,797 | Ultrasonic imaging system and ultrasonic signal processing method |
| 31 | 7,404,646 | Projection lens apparatus and rear projection type image display apparatus |
| 32 | 7,404,523 | IC card with a cipher key conversion function |
| 33 | 7,404,320 | Flow sensor using a heat element and a resistance temperature detector formed of a metal film |
| 34 | 7,404,287 | Gas turbine, combined cycle plant and compressor |