Hitachi patents granted on 07 August 2012

51 US patents granted on 07 August 2012 and assigned to Hitachi

1 D664,869 Portion of a cartridge for an ion density measuring instrument
2 8,239,695 Information processing device
3 8,239,691 Data storage device and management method of cryptographic key thereof
4 8,239,644 Control device of a storage system comprising storage devices of a plurality of types
5 8,239,630 Storage apparatus and cache control method
6 8,239,626 Storage system that executes performance optimization that maintains redundancy
7 8,239,508 Storage system and data management method in storage system
8 8,239,468 Session QoS control apparatus
9 8,239,450 Application executing method, application changing apparatus, and application changing program
10 8,239,433 Direct digital synthesizer and nuclear magnetic resonance instrument using the same
11 8,239,346 Storage system and its file management method
12 8,239,344 Data replication among storage systems
13 8,239,254 Advertisement distribution system and advertisement distribution method
14 8,239,100 Electric braking apparatus and vehicle having thereof
15 8,239,096 Motion control unit for vehicle based on jerk information
16 8,239,084 Moving device
17 8,238,927 OFDM cellular communication method, system and base station
18 8,238,717 Reproducing device
19 8,238,716 Reproducing device
20 8,238,622 Vein authentication device
21 8,238,555 Management server, communication apparatus and program implementing key allocation system for encrypted communication
22 8,238,509 Neutron monitoring systems including gamma thermometers and methods of calibrating nuclear instruments using gamma thermometers
23 8,238,359 Communication module and communication apparatus
24 8,238,356 Communication system and access gateway apparatus
25 8,238,286 Radio base station and radio mobile station
26 8,238,259 Method for building ad hoc network
27 8,238,222 Optical disk device
28 8,238,209 Optical disc apparatus, information recording method and information recording medium
29 8,238,064 Magnetic head and magnetic recording apparatus
30 8,238,051 Real time monitoring inconsistent operations in a hard disk drive
31 8,237,906 Liquid crystal display device
32 8,237,895 Liquid crystal display device and method of manufacturing the same
33 8,237,893 Liquid crystal display device
34 8,237,883 Liquid crystal display device
35 8,237,529 Low-loss ferrite and electronic device formed by such ferrite
36 8,237,404 Adaptor, assembly of battery pack and adaptor, and electric tool with the same
37 8,237,353 Organic EL display device
38 8,237,322 Squirrel-cage rotor for an electric motor and its production method
39 8,237,245 Nitride semiconductor crystal, manufacturing method of the nitride semiconductor freestanding substrate and nitride semiconductor device
40 8,237,180 Light emitting element including center electrode and thin wire electrode extending from periphery of the center electrode
41 8,237,119 Scanning type charged particle beam microscope and an image processing method using the same
42 8,237,076 Vacuum switch
43 8,236,906 Polyamide-imide resin, process for production of polyamide resin, and curable resin composition
44 8,236,701 Plasma processing apparatus and plasma processing method
45 8,236,692 Method of manufacturing semiconductor device, cleaning method and cleaning control apparatus
46 8,236,087 Powder core and iron-base powder for powder core
47 8,235,899 Ultrasound imaging device
48 8,235,673 Control method of inverter compressor and inverter compressor
49 8,235,604 Optical connector and fiber module
50 8,235,474 Electric disk brake
51 8,235,001 Substrate processing apparatus and method for manufacturing semiconductor device