Hitachi patents granted on 19 February 2013

54 US patents granted on 19 February 2013 and assigned to Hitachi

1 RE44,003 Method for driving a gas-discharge panel
2 8,381,038 Management server and management system
3 8,380,997 Power supply of storage system
4 8,380,985 Certificate validation method and certificate validation server and storage medium
5 8,380,952 Storage system and data storage method using storage system which decides size of data to optimize the total of data size transfer efficiency
6 8,380,925 Storage system comprising plurality of processor units
7 8,380,924 Storage system and processing efficiency improving method of storage system
8 8,380,893 Storage system
9 8,380,853 Method and apparatus for locating candidate data centers for application migration
10 8,380,815 Root node for file level virtualization
11 8,380,764 File control system and file control computer for use in said system
12 8,380,673 Storage system
13 8,380,672 Backup control apparatus and method eliminating duplication of information resources
14 8,380,408 Speed change control system for industrial vehicle
15 8,380,395 Vehicle control apparatus
16 8,380,381 Electric vehicle with pitch control device
17 8,380,360 Temperature control method, method of obtaining a temperature correction value, method of manufacturing a semiconductor device and substrate treatment apparatus
18 8,380,124 Communication system by electrostatic coupling and electromagnetic induction
19 8,380,075 Optical transceiver module
20 8,380,065 Optical access system and optical line terminal
21 8,380,028 Composite cable
22 8,379,992 Computer-aided image interpretation method and device
23 8,379,724 Image coding apparatus and image coding method
24 8,379,541 Information platform and configuration method of multiple information processing systems thereof
25 8,379,500 Optical information recording apparatus, optical information recording method, optical information reproducing apparatus and optical information reproducing method
26 8,379,497 Optical disk apparatus
27 8,379,373 Vacuum insulated switchgear including a bus recovery member
28 8,379,209 Non-destructive inspection device for oxygen concentration in bag-shaped container
29 8,379,168 Liquid crystal display element and liquid crystal display device having particular light collecting elements
30 8,379,163 Display device
31 8,379,139 Focus control apparatus useful for image pick up apparatuses equipped with an auto focus function and method therefor
32 8,378,950 Display device
33 8,378,946 Display device
34 8,378,646 Bidirectional dc-dc converter and control method thereof
35 8,378,599 Power transducer
36 8,378,350 Display device
37 8,378,217 Differential signal cable, and cable assembly and multi-pair differential signal cable using the same
38 8,377,775 Insulated gate type semiconductor device and method for fabricating the same
39 8,377,765 Manufacturing method of liquid crystal display device
40 8,377,742 Thin film transistor and method for manufacturing the same
41 8,377,600 Fuel cell power generation system and method of operating thereof
42 8,377,216 Vacuum processing apparatus and vacuum processing method
43 8,376,951 Ultrasonic diagnostic apparatus and method for displaying probe operation guide
44 8,376,619 Grease for slide bearing
45 8,376,612 Mobile X-ray apparatus
46 8,376,476 Brake system in electric drive dump truck
47 8,376,236 Contactless IC label
48 8,376,158 Heavy construction installation method
49 8,376,099 Volume compensation accumulator apparatus and suspension system using the same
50 8,376,080 Pump apparatus, power steering apparatus and assembly method of housing
51 8,376,069 Power conversion apparatus and electric vehicle
52 8,375,921 Motor-driven throttle valve device with inductive throttle sensor and inductive throttle sensor for detecting rotation angle of throttle shaft of motor-driven throttle valve device
53 8,375,772 Liquid chromatography apparatus and liquid chromatography analysis method
54 8,375,569 Apparatus for manufacturing a transformer core