Hitachi patents granted on 17 February 2009

33 US patents granted on 17 February 2009 and assigned to Hitachi

1 7,493,466 Virtualization system for virtualizing disks drives of a disk array system
2 7,493,444 Substrate structure of disk array apparatus, disk array apparatus and disk array system
3 7,493,443 Storage system utilizing improved management of control information
4 7,493,432 Storage system with memories each having DIMMs daisy-chain connected to one another and control method thereof
5 7,493,382 Resource assignment manager and resource assignment method
6 7,493,112 Construction machine management apparatus and construction machines management system
7 7,493,092 Wireless transceiver having plural transmission methods
8 7,493,043 ONU management method and optical line termination
9 7,492,995 Optical element combination structure and optical fiber structure
10 7,492,877 System and method for remote control
11 7,492,792 Apparatus for receiving digital data
12 7,492,688 Highly adaptive recording method and optical recording apparatus
13 7,492,655 Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with drivability for each
14 7,492,644 Semiconductor integrated circuit device
15 7,492,577 Display device convertible from two dimensional display to three dimensional display
16 7,492,540 Apparatus system and method for variable data density patterned media
17 7,492,539 Method for controlling a burnish cycle to minimize cycle time
18 7,492,452 Defect inspection method and system
19 7,492,433 Display device having a board for mounting a connector for inputting of video data and a board for mounting a display control circuit and manufacturing method thereof
20 7,492,340 Liquid crystal display device having stabilized drive circuit
21 7,492,159 Nuclear magnetic resonance spectrometer for liquid-solution
22 7,492,157 Apparatus of nuclear magnetic resonance measurement by using circulation flow for sample condition control
23 7,492,081 Display panel module and method for manufacturing the same
24 7,491,972 Polysilicon semiconductor thin film substrate, method for producing the same, semiconductor device, and electronic device
25 7,491,933 Electron beam apparatus
26 7,491,789 Disulfide-containing phenolic resin as curing agent for epoxy resin
27 7,491,662 Substrate processing apparatus
28 7,491,452 Perpendicular magnetic recording disk with recording layer containing selected metal oxides and formed on a reduced-thickness exchange-break layer
29 7,491,094 Electric disk brake
30 7,490,748 Pneumatically operated fastener driving tool
31 7,490,747 Fastener driving tool including push lever configured to avoid inclined orientation of the driver fasteners
32 7,490,746 Power tool
33 7,490,582 Combustion type power tool having fin for effectively cooling cylinder