Hitachi patent applications published on 13 December 2007

25 US patent applications published on 13 December 2007 and assigned to Hitachi

1 20070288995 Authentication system for authenticating based on measured distance and exchanged identifier
2 20070288865 Information processing apparatus for project management and its computer software
3 20070288712 Storage apparatus and storage apparatus control method
4 20070288535 Long-term data archiving system and method
5 20070288474 Method for changing configuration of servers in a shared-nothing database system
6 20070288443 Time series pattern generating system and method using historical information
7 20070288442 System and a program for searching documents
8 20070288175 Simulation parameter determination method
9 20070287501 Wireless base station device
10 20070286565 Data indicating method, reproducing device, recording device
11 20070286149 Wireless communication method, wireless communication apparatus and access point apparatus
12 20070286053 Optical pickup and optical drive
13 20070286001 Semiconductor integrated circuit with memory redundancy circuit
14 20070285847 MAGNETIC HEAD WITH STABILIZED FERROMAGNETIC SHIELD
15 20070285839 Perpendicular magnetic recording medium and method of manufacturing the same
16 20070285410 Illuminating device and display device
17 20070285348 MESH-PATTERN PARTITIONED PLASMA DISPLAY PANEL
18 20070285096 Double-tuned RF coil
19 20070285046 Semiconductor element drive device, power conversion device, motor drive device, semiconductor element drive method, power conversion method, and motor drive method
20 20070285044 Control apparatus, dual chip inverter and single chip inverter of AC motors
21 20070284526 Inspection apparatus for circuit pattern
22 20070283911 Variable valve actuating apparatus and process for internal combustion engine
23 20070283778 Sintered gear and production method therefor
24 20070283701 Reformed-Fuel-Burning Gas Turbine System and Method of Operating the Same
25 20070283557 Methods Of Fabricating Single-Pole Recording Head Having Trapezoidal Main Pole And Bevel Angle Promotion Layer