Hitachi patents granted on 28 October 2008

49 US patents granted on 28 October 2008 and assigned to Hitachi

1 7,444,554 Storage apparatus and fan control method and fan control program of storage apparatus
2 7,444,545 Computer system, managing computer and recovery management method
3 7,444,502 Method for changing booting configuration and computer system capable of booting OS
4 7,444,486 Storage system, storage access restriction method and computer program product
5 7,444,483 Management apparatus, management method and storage management system
6 7,444,468 Storage system and method using interface control devices of different types
7 7,444,467 Storage system having a semiconductor memory device which stores data and parity data permanently
8 7,444,294 Method of production planning
9 7,444,254 Valve timing control apparatus of internal combustion engine
10 7,444,064 Broadcast receiver, program recording method and program product
11 7,444,050 S-shaped curved optical waveguide and optical device
12 7,443,986 Key allocating method and key allocation system for encrypted communication
13 7,443,868 Modular type node apparatus for packet communication
14 7,443,851 Device and system for multicast communication
15 7,443,842 Communication control apparatus
16 7,443,771 Objective lens driving apparatus having bottom plate forming a projecting part
17 7,443,718 Magnetic memory device
18 7,443,637 Giant magnetoresistance sensor with side longitudinal bias stacks and method for forming same
19 7,443,636 Magnetic head having layered film with tilted crystalline grain structure
20 7,443,630 Apparatus, system, and method for writing magnetically encoded data to discrete lands
21 7,443,625 Magnetic disk drive
22 7,443,496 Apparatus and method for testing defects
23 7,443,461 Liquid crystal display device having a prism sheet between first and second light diffusion layers
24 7,443,369 Liquid crystal display device and an optimum gradation voltage setting apparatus thereof
25 7,443,345 Antenna device
26 7,443,291 Portable terminal and information provision system utilizing the portable terminal
27 7,443,120 Field weakening vector controller for permanent magnet synchronous motor and control module
28 7,442,961 Image display device
29 7,442,959 Semiconductor device having identification number, manufacturing method thereof and electronic device
30 7,442,958 Thin film semiconductor device
31 7,442,937 Radiation imaging apparatus and nuclear medicine diagnosis apparatus using the same
32 7,442,929 Scanning electron microscope
33 7,442,928 Charged particle beam apparatus
34 7,442,923 Scanning electron microscope
35 7,442,651 Plasma etching method
36 7,442,539 Method and equipment for cultivating anaerobic ammonium-oxidizing bacteria
37 7,442,445 Brazing clad material, and brazing method and brazing product using the same
38 7,442,017 Displacement type compressor having a self-start synchronous motor and start load reducing means
39 7,441,959 Bearing mechanism for spindle motor in magnetic disk drive
40 7,441,904 Projection type display apparatus with ventilation
41 7,441,711 Semiconductor device and IC card
42 7,441,683 Fastener driving tool
43 7,441,617 Hybrid car
44 7,441,554 Engine controller
45 7,441,549 Fuel supply apparatus for and pressure control method of internal combustion engine
46 7,441,524 Valve timing control apparatus for internal combustion engine and control method thereof
47 7,441,410 Gas turbine and manufacturing process of gas turbine
48 7,441,399 Gas turbine, combined cycle plant and compressor
49 7,441,325 Perpendicular head with trailing shield and rhodium gap process