48 US patents granted on 09 March 2010 and assigned to Hitachi
| 1 | 7,676,651 | Micro controller for decompressing and compressing variable length codes via a compressed code dictionary |
| 2 | 7,676,644 | Data processing system, storage apparatus and management console |
| 3 | 7,676,319 | Intake air amount control apparatus for engine and control method thereof |
| 4 | 7,676,127 | Optical communication system using WDMA and CDMA |
| 5 | 7,676,100 | Recording medium having recorded thereon coded information using plus and/or minus rounding of images |
| 6 | 7,675,936 | Passive optical network (PON) system |
| 7 | 7,675,887 | Base transceiver station |
| 8 | 7,675,859 | Transmission apparatus and transmission system |
| 9 | 7,675,836 | Recording/reproducing apparatus with double-sided beam type probe |
| 10 | 7,675,832 | Optical element feeding device driving method and optical disk apparatus |
| 11 | 7,675,831 | Recording method and optical disk apparatus using the method |
| 12 | 7,675,755 | LED module |
| 13 | 7,675,748 | Disk array system |
| 14 | 7,675,727 | Protection circuit for power management semiconductor devices and power converter having the protection circuit |
| 15 | 7,675,717 | Magnetic read head having increased electron exchange |
| 16 | 7,675,715 | Magnetoresistive head and fabricating method thereof, and read write separation type head |
| 17 | 7,675,709 | Magnetic write head having a stair notched, steep shouldered pole and a write gap bump |
| 18 | 7,675,708 | Substrate for thin-film magnetic head |
| 19 | 7,675,703 | Magnetic recording disk drive with patterned media and system for clocking write data |
| 20 | 7,675,701 | Method and apparatus for detecting servo timing marks in a magnetic disk system |
| 21 | 7,675,700 | Disk drive device and method for production thereof |
| 22 | 7,675,699 | Patterned-media magnetic recording disk and disk drive with data zones having nondata regions near the zone boundaries |
| 23 | 7,675,679 | Image display device and Fresnel lens sheet used therefor |
| 24 | 7,675,613 | Defect inspection method |
| 25 | 7,675,596 | Liquid crystal device and information terminal device provided with the same |
| 26 | 7,675,592 | Transflective liquid crystal display device |
| 27 | 7,675,484 | Method for driving a gas electric discharge device |
| 28 | 7,675,410 | Sensor-net systems and its application systems for locationing |
| 29 | 7,675,398 | Iron core for stationary apparatus and stationary apparatus |
| 30 | 7,675,387 | Surface acoustic wave device and communication terminal using the same |
| 31 | 7,675,351 | Frequency output circuit |
| 32 | 7,675,232 | Display device with improved drive arrangement |
| 33 | 7,675,221 | Ultrasonic transducer and manufacturing method thereof |
| 34 | 7,675,185 | Epoxy resin molding material for sealing and electronic component |
| 35 | 7,675,072 | Light emitting diode |
| 36 | 7,675,033 | Method of mass spectrometry and mass spectrometer |
| 37 | 7,675,016 | Solid-state image pickup device and method of producing the same |
| 38 | 7,674,699 | III group nitride semiconductor substrate, substrate for group III nitride semiconductor device, and fabrication methods thereof |
| 39 | 7,674,430 | Automated analyzer |
| 40 | 7,674,351 | Plasma processing apparatus |
| 41 | 7,674,128 | In-vehicle electronic device |
| 42 | 7,674,052 | Object detection apparatus |
| 43 | 7,673,949 | Electrically powered brake system and control unit for electrically powered brake system |
| 44 | 7,673,874 | Paper sheet handling apparatus |
| 45 | 7,673,830 | Tape cartridge |
| 46 | 7,673,547 | Miter saw capable of displaying angle coincident with predetermined angle |
| 47 | 7,673,508 | Thermal type fluid flow sensor |
| 48 | 7,673,455 | Gas turbine combustor and fuel supply method for same |
