45 US patents granted on 07 August 2007 and assigned to Hitachi
| 1 | 7,254,742 | Disk array device and battery output control method for disk array device |
| 2 | 7,254,718 | Tamper-resistant processing method |
| 3 | 7,254,684 | Data duplication control method |
| 4 | 7,254,674 | Distribution of I/O requests across multiple disk units |
| 5 | 7,254,620 | Storage system |
| 6 | 7,254,525 | Method and apparatus for automated analysis of hard disk drive performance |
| 7 | 7,254,474 | Diagnosis apparatus for internal combustion engine |
| 8 | 7,254,430 | Measuring apparatus for measuring a metabolic characteristic in a human body |
| 9 | 7,254,428 | Blood sugar level measuring apparatus |
| 10 | 7,254,427 | Optical measurements apparatus and blood sugar level measuring apparatus using the same |
| 11 | 7,254,426 | Blood sugar level measuring apparatus |
| 12 | 7,254,311 | Image retrieving method and apparatuses therefor |
| 13 | 7,254,211 | Method and apparatus for performing computed tomography |
| 14 | 7,254,160 | Radio receiver |
| 15 | 7,254,082 | Semiconductor device |
| 16 | 7,254,068 | Semiconductor memory device |
| 17 | 7,253,995 | Magnetic head and magnetic recording/reproducing device |
| 18 | 7,253,992 | Single-pole recording head having trapezoidal main pole and bevel angle promotion layer and methods of fabricating the same |
| 19 | 7,253,991 | Planar perpendicular recording head |
| 20 | 7,253,988 | Recording/reproducing method of magnetic tape |
| 21 | 7,253,931 | Form fixing structure and image recognition apparatus having the structure |
| 22 | 7,253,898 | System for detecting droplets on a translucent surface |
| 23 | 7,253,864 | Active matrix display device with active element including a semiconductor film formed of an aggregate of single crystals each extending in the same direction |
| 24 | 7,253,863 | Liquid crystal display device |
| 25 | 7,253,857 | Liquid crystal display device with field sequential light source and optical medium |
| 26 | 7,253,702 | High-frequency switch module |
| 27 | 7,253,581 | Data storage device, motor control device, and motor control method |
| 28 | 7,253,560 | Triode surface discharge type plasma display panel |
| 29 | 7,253,499 | III-V group nitride system semiconductor self-standing substrate, method of making the same and III-V group nitride system semiconductor wafer |
| 30 | 7,253,465 | Semiconductor integrated circuit device and manufacturing method thereof |
| 31 | 7,253,405 | Mass analysis apparatus and method for mass analysis |
| 32 | 7,253,103 | Method for producing semiconductor devices that includes forming a copper film in contact with a ruthenium film |
| 33 | 7,253,011 | Fabrication method of semiconductor integrated circuit device |
| 34 | 7,252,622 | Transmission, and control system and control method for the transmission |
| 35 | 7,252,462 | Spindle unit having pressure foot |
| 36 | 7,252,416 | Projection type display unit |
| 37 | 7,252,185 | Bill receiving and paying apparatus |
| 38 | 7,252,167 | Electrical apparatus, cooling system therefor, and electric vehicle |
| 39 | 7,252,031 | Cylinder apparatus |
| 40 | 7,252,010 | Pressure sensor system with semiconductor chip and antenna member |
| 41 | 7,251,926 | Gas turbine installation |
| 42 | 7,251,908 | Magnetic disk drive to alleviate damage from thermal asperity |
| 43 | 7,251,891 | Production method for sintered bearing member, fluid dynamic pressure bearing device, and spindle motor |
| 44 | 7,251,878 | Method and apparatus for defining leading edge taper of a write pole tip |
| 45 | RE39,756 | Vacuum processing operating method with wafers, substrates and/or semiconductors |
