Hitachi patents granted on 19 July 2011

79 US patents granted on 19 July 2011 and assigned to Hitachi

1 7,984,494 Computer system establishing a safe communication path
2 7,984,465 Broadcasting data converter
3 7,984,433 Program distribution method and computer system
4 7,984,340 Method of recording/reproducing digital data and apparatus for same
5 7,984,339 Method of recording/reproducing digital data and apparatus for same
6 7,984,290 System and method for encrypted communication
7 7,984,260 Storage system provided with a plurality of controller modules
8 7,984,245 Storage system, storage subsystem and storage control method
9 7,984,230 Allocation of logical volumes to flash memory drives
10 7,984,227 Connecting device of storage device and computer system including the same connecting device
11 7,984,144 Computer system and a method for managing logical volumes
12 7,984,133 Computer and access control method in a computer
13 7,984,051 Recording medium and playback device
14 7,984,044 System or program for searching documents
15 7,984,026 Storage system with improved de-duplication arrangement
16 7,983,837 Display method of navi-server and navigation
17 7,983,832 Control method of direct injection engine, controller for implementing the control method, and control circuit device used for the controller
18 7,983,827 Brake control apparatus
19 7,983,447 Imaging environment recognition device
20 7,983,383 X-ray CT apparatus
21 7,983,326 Digital transmission system and its transmission status recognition method
22 7,983,283 Packet routing apparatus
23 7,983,281 VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
24 7,983,267 Transmission apparatus and transmission system
25 7,983,227 Communication terminal apparatus, communication connection apparatus, and communication method using them
26 7,983,127 Optical disk device and parameter selection method
27 7,983,122 Defocus detection device, defocus detection method and optical disk unit using the same
28 7,983,120 Optical disk apparatus, focus control method and optical disk
29 7,983,109 Semiconductor device
30 7,983,044 Electrical apparatus, cooling system therefor, and electric vehicle
31 7,983,023 Earthing equipment for switchgear
32 7,983,007 Magnetic tape apparatus
33 7,983,005 Thin film magnetic head with flying height adjustment capability
34 7,982,999 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
35 7,982,996 Perpendicular magnetic recording write head and system with improved spin torque oscillator for microwave-assisted magnetic recording
36 7,982,991 Method and apparatus for determining set value of write current of magnetic head
37 7,982,987 Methods and apparatus to detect surface characteristics on magnetic read/write heads
38 7,982,958 Projection display
39 7,982,845 Display device with sufficient adhesive strength for sealing material
40 7,982,832 Transflective liquid crystal display device
41 7,982,804 Image processing apparatus and image processing method
42 7,982,787 Image apparatus and method and program for producing interpolation signal
43 7,982,709 Illuminating device and liquid-crystal display device using the same
44 7,982,697 Display device mounted with self-luminous element
45 7,982,603 Sensor net system, sensor net system data managing method, and sensor net system data managing program
46 7,982,554 Multi-band high-frequency circuit, multi-band high frequency circuit component and multi-band communication apparatus using same
47 7,982,537 Operational amplifier
48 7,982,392 Organic electroluminescent display device
49 7,982,347 Motor control apparatus, power steering apparatus and brake control apparatus
50 7,982,322 Liquid resin composition for electronic part sealing, and electronic part apparatus utilizing the same
51 7,982,314 Semiconductor integrated circuit device
52 7,982,266 Dielectric material separated-type, high breakdown voltage semiconductor circuit device, and production method thereof
53 7,982,198 Particle beam irradiation system
54 7,982,188 Apparatus and method for wafer pattern inspection
55 7,982,182 Mass spectrometer and mass spectrometry method
56 7,981,977 Sealant for electronics of epoxy resin, aromatic amine, accelerator and inorganic filler
57 7,981,815 Semiconductor device producing method and substrate processing apparatus
58 7,981,761 Method of manufacturing semiconductor device having MIM capacitor
59 7,981,713 Group III-V nitride-based semiconductor substrate, group III-V nitride-based device and method of fabricating the same
60 7,981,701 Semiconductor thin film manufacturing method
61 7,981,653 Highly efficient hyperthermophilic DNA ligase
62 7,981,608 Device and method for high-throughput quantification of MRNA from whole blood
63 7,981,533 Method for making a master disk for nanoimprinting patterned magnetic recording disks and master disk made by the method
64 7,981,359 Rotor and process for manufacturing the same
65 7,981,310 Method for preparing magnetic paint and magnetic recording medium comprising the same
66 7,981,267 Capillary electrophoresis device
67 7,981,254 Heat pump system, operation procedure therefor and evaporator system
68 7,980,879 Connection structure
69 7,980,831 Oscillating type compressor
70 7,980,818 Member having internal cooling passage
71 7,980,773 Camera module and imaging apparatus
72 7,980,716 Front sheet and display device using the same
73 7,980,638 Brake controller
74 7,980,606 Vehicle bumper structure
75 7,980,439 Nailing machine
76 7,980,294 Liquid cooling system
77 7,980,226 Fuel system for a direct injection engine
78 7,980,075 Reservoir and master cylinder
79 7,979,988 Worm gear unit and method of producing same