Hitachi patents granted on 14 April 2009

69 US patents granted on 14 April 2009 and assigned to Hitachi

1 7,519,968 Decentralized control system for network connection
2 7,519,869 Control of storage system using disk drive device having self-check function
3 7,519,851 Apparatus for replicating volumes between heterogenous storage systems
4 7,519,787 Method and a computer for storage area management
5 7,519,786 Storage system, storage access restriction method and computer program product
6 7,519,783 Storage control apparatus, storage system, and control method for storage system
7 7,519,770 Disk array control device with an internal connection system for efficient data transfer
8 7,519,768 Computer system, management computer, and volume allocation change method of management computer
9 7,519,745 Computer system, control apparatus, storage system and computer device
10 7,519,744 Method and apparatus for managing I/O paths on a storage network using priority
11 7,519,692 Information processing system configuration design supporting method and apparatus and implementing program therefor
12 7,519,625 Snapshot management apparatus and method, and storage system
13 7,519,620 Replication system, method and program for replicating a plurality of databases into a replica database
14 7,519,117 Inter-frame predicted image synthesizing method
15 7,519,072 Transmission system including media converter for concentrated VDSL apparatus
16 7,519,046 Access path management method and program
17 7,519,038 Adaptive EDCA algorithm using traffic prediction in wireless local area networks
18 7,519,001 Information processing apparatus and method of controlling the information processing apparatus
19 7,518,999 Monitoring arrangements, having communication establishment information changed from initial communication establishment information
20 7,518,998 IP packet communication apparatus
21 7,518,985 Communication apparatus and communication system
22 7,518,983 Proxy response apparatus
23 7,518,980 Optical disk
24 7,518,890 AC/DC/AC converter with reduced inductance in the DC filter capacitors
25 7,518,858 Mounting structure and mounting method for rotating disk storage device
26 7,518,851 Distribution switchgear
27 7,518,834 Method of manufacturing a magnetoresistive head with spin-valve film
28 7,518,825 Thin film magnetic head wherein at least one of a return pole, a first shield, and a second shield has a reverse taper
29 7,518,823 Spindle motor winding for miniature hard disk drive
30 7,518,818 Magnetic disk drive with flying height control system
31 7,518,814 Magnetic head tester and method of manufacturing magnetic disk drive
32 7,518,795 Filter module, optical module and method for fabricating the same
33 7,518,594 Liquid crystal display device having an improved backlight
34 7,518,577 Image display device
35 7,518,573 Driving method of plasma display panel and plasma display device
36 7,518,517 Verification method of goods using IC tags and equipment using the method
37 7,518,490 Method and system of monitoring around a vehicle
38 7,518,469 Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same
39 7,518,449 Doherty amplifier
40 7,518,383 Inspection apparatus and inspection method using electron beam
41 7,518,362 Magnetic resonance apparatus utilizing time-varying rate of magnetic resonant frequency
42 7,518,331 AC rotating electric machine control method and electrical power train system
43 7,518,322 Operation circuit for a work vehicle
44 7,518,319 LED lighting device and LCD device using the same
45 7,518,293 Piezoelectric thin-film element
46 7,518,277 Electric motor
47 7,518,233 Sealing structure for multi-chip module
48 7,518,202 Mechanical quantity measuring apparatus
49 7,518,156 Semiconductor device
50 7,518,112 Radiation detection circuit
51 7,518,111 Magnetic electron microscope
52 7,518,110 Pattern measuring method and pattern measuring device
53 7,517,724 Dicing/die bonding sheet
54 7,517,636 Photosensitive resin composition, photosensitive element, production method of resist pattern and production method for printed circuit board
55 7,517,598 Magnetic recording medium utilizing specified non-magnetic particles in the magnetic layer
56 7,517,597 Magnetic recording medium
57 7,517,576 Vacuum insulation panel
58 7,517,555 Copper plating solution and method for copper plating
59 7,517,463 Perpendicular pole with bilayer gap
60 7,517,276 Power tool
61 7,516,903 IC card
62 7,516,876 Driving machine for driving afastener member into a member to be fastened using a probe to locate the fastening member
63 7,516,823 Electric braking apparatus
64 7,516,777 Cooling jacket
65 7,516,731 Apparatus and method for controlling internal combustion engine
66 7,516,617 Master cylinder
67 7,516,553 Portable electric cutting device with blower mechanism
68 7,516,552 Guide and portable cutting tool provided therewith
69 7,516,551 Portable cutting tool