Hitachi patents granted on 30 January 2007

49 US patents granted on 30 January 2007 and assigned to Hitachi

1 7,171,687 Contents distribution apparatus
2 7,171,532 Method and system for data lifecycle management in an external storage linkage environment
3 7,171,524 Storage control system and control method for storage control which suppress the amount of power consumed by the storage control system
4 7,171,523 Information processing system for updating data in a shared network storage system
5 7,171,522 Storage system including storage adaptors having cache memories and grasping usage situation of each cache memory and equalizing usage of cache memories
6 7,171,517 Storage apparatus
7 7,171,511 WORM proving storage system
8 7,171,453 Virtual private volume method and system
9 7,171,431 File system updating metadata of files according to results of keyword search
10 7,171,423 Information processing system and system setting method
11 7,171,317 Load information display device and circuit breaker
12 7,171,295 Construction device information processing system and construction device information processing method
13 7,171,250 Living body light measurement system and signal processing method
14 7,171,234 High-frequency switch circuit
15 7,171,188 Communication system for working machines
16 7,171,087 Optical fiber cable
17 7,170,929 Digital signal transmission system and method of displaying transmission condition in digital signal transmission system
18 7,170,885 Packet switching method and apparatus thereof
19 7,170,840 Information recording method
20 7,170,838 Information recording and reproducing apparatus
21 7,170,792 Semiconductor device
22 7,170,722 Extraordinary magnetoresistance sensor with perpendicular magnetic biasing by a ferromagnetic multilayer
23 7,170,715 Microsuspension assemblies for direct access storage devices
24 7,170,713 Heat sink for a magnetic recording head
25 7,170,709 Recording/reproducing method of magnetic tape
26 7,170,705 Recording device and controller and control method for a recording device
27 7,170,593 Method of reviewing detected defects
28 7,170,567 Projection type image display apparatus
29 7,170,484 Display device
30 7,170,471 Plasma display apparatus and method of driving a plasma display panel
31 7,170,345 Predistorter
32 7,170,289 Magnetic resonance imaging method and apparatus
33 7,170,273 Power-supply device and hard disk drive using same
34 7,170,012 Multilayer circuit board, process of manufacturing same, board for multilayer circuitry, and electronic apparatus
35 7,169,362 Microplate liquid handling system
36 7,169,357 Automatic chemical analyzer
37 7,169,334 Optical information recording medium
38 7,169,255 Plasma processing apparatus
39 7,169,254 Plasma processing system and apparatus and a sample processing method
40 7,169,241 Ni-based superalloy having high oxidation resistance and gas turbine part
41 7,169,216 Electroless copper plating solution, electroless copper plating process and production process of circuit board
42 7,168,939 System, method, and apparatus for multilevel UV molding lithography for air bearing surface patterning
43 7,168,809 Stereoscopic display apparatus
44 7,168,638 Fuel injection valve
45 7,168,624 Semiconductor device and IC card
46 7,168,374 Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus
47 7,168,312 Heating resistor type air flow meter
48 7,168,155 Method of manufacturing an integrated thin film head
49 7,168,154 Method of constructing an integrated lead suspension