Hitachi patents granted on 30 December 2014

45 US patents granted on 30 December 2014 and assigned to Hitachi

1 8,925,097 Content transmission device and content reception device
2 8,924,683 Storage apparatus and data control method using a relay unit and an interface for communication and storage management
3 8,924,659 Performance improvement in flash memory accesses
4 8,924,637 Flash memory storage system
5 8,924,606 Storage system and data transfer control method
6 8,924,164 Apparatus and method for ultrasonic testing
7 8,924,140 External environment recognition device for vehicle and vehicle system using same
8 8,924,100 Hybrid construction machine
9 8,924,083 Power steering apparatus, and controller for power steering apparatus
10 8,924,051 Drive device for railway vehicle
11 8,924,050 Railway signalling system and on-board signalling system
12 8,924,001 Etching apparatus, control simulator, and semiconductor device manufacturing method
13 8,923,922 Mobile communication system and access gateway having plural user plane AGWS
14 8,923,908 Distributed antenna system
15 8,923,866 Handover management apparatus, base station, and handover management method
16 8,923,614 Image processing apparatus, image processing method
17 8,923,480 X-ray diffraction instrument
18 8,923,469 Method and apparatus for an alternative remote spent fuel pool cooling system for light water reactors
19 8,923,387 Image decoding device and method thereof using inter-coded predictive encoding code
20 8,923,099 Heat assisted magnetic recording head gimbal assembly and hard disk drive using same
21 8,922,997 Electric power conversion device
22 8,922,942 Magnetic disk apparatus
23 8,922,765 Cells for biochemical analysis, kit for biochemical analysis, and biochemical analyzer
24 8,922,764 Defect inspection method and defect inspection apparatus
25 8,922,407 Analog/digital converter and semiconductor integrated circuit device
26 8,922,314 Ignition coil for internal combustion engine
27 8,922,171 Nonaqueous electrolyte secondary battery apparatus and method for charging anode of the same
28 8,922,141 Reciprocating electric tool
29 8,922,079 Electric motor and centralized power distribution member
30 8,921,798 Defect inspection apparatus and defect inspection method
31 8,921,786 Charged particle beam apparatus
32 8,921,784 Scanning electron microscope
33 8,921,781 Measurement or inspecting apparatus
34 8,921,776 Ion detecting device
35 8,921,157 Printed substrate manufacturing equipment and manufacturing method
36 8,920,960 Porous film for separator, battery separator, battery electrode, and manufacturing methods therefor, and lithium secondary battery
37 8,920,949 Battery unit
38 8,920,665 Plasma processing apparatus and plasma processing method
39 8,920,548 CO.sub.2 capture system by chemical absorption
40 8,920,105 Rotation-type construction machine
41 8,919,934 Inkjet recording apparatus
42 8,919,634 Solder ball printing apparatus and solder ball printing method
43 8,919,235 Cutting apparatus
44 8,919,115 Hydraulic drive device for hydraulic excavator
45 8,919,109 Hydraulic drive system for construction machine having exhaust gas purification device