Hitachi patents granted on 28 April 2009

50 US patents granted on 28 April 2009 and assigned to Hitachi

1 7,526,779 Optical disk apparatus
2 7,526,747 Inspection method and inspection system using charged particle beam
3 7,526,716 Recording/regenerating device, method of encoding error correction, method of recording data
4 7,526,710 Recording format for information date, information recording/reproducing cording circuit
5 7,526,668 Failover method of remotely-mirrored clustered file servers
6 7,526,645 Electronic document authenticity assurance method and electronic document disclosure system
7 7,526,627 Storage system and storage system construction control method
8 7,526,618 Storage control system
9 7,526,605 System and method for optimizing random XOR command performance
10 7,526,592 Interrupt control system and storage control system using the same
11 7,526,509 Information lifecycle managing system and its data arrangement determining method
12 7,526,469 Method and system of database management with shared area
13 7,526,353 Sequence design support system
14 7,526,352 Semiconductor production system
15 7,526,200 Wavelength-division multiplexing optical transmitter
16 7,526,199 Optical transmission equipment preventing malfunction in recovery from fault
17 7,526,143 Imaging method
18 7,526,111 Personal identification device and method
19 7,525,912 Packet shaper
20 7,525,899 Device for traversing optical pickup of a disc drive
21 7,525,813 Semiconductor device
22 7,525,775 Oblique angle etched underlayers for improved exchange biased structures in a magnetoresitive sensor
23 7,525,767 System for low profile termination with robust alignment for wireless suspension in hard disk drive
24 7,525,766 Magnetic head slider with groove formed in reduced-width portion of trailing pad between head and trailing edge
25 7,525,765 Thermal assist head slider
26 7,525,760 Laminated write gap to improve writer performance
27 7,525,759 Magnetic disk device with improved shielding
28 7,525,752 Media drive and control method for the same
29 7,525,747 Data storage device, data storage control circuit, and control method for magnetic disk drive
30 7,525,627 Display device
31 7,525,610 Liquid-crystal display device
32 7,525,525 Display module
33 7,525,437 Wireless signal receiver
34 7,525,311 Configurable radiofrequency receive coil system for a magnetic resonance imaging system
35 7,525,307 System and method for hard drive component testing
36 7,525,191 Semiconductor light source device
37 7,525,129 Organic light-emitting display
38 7,525,124 Submount for light emitting diode and its manufacturing method
39 7,525,109 Method for writing a large-area closed curvilinear pattern with a cartesian electron beam writing system
40 7,525,108 Focused ion beam apparatus for specimen fabrication
41 7,524,766 Method for manufacturing semiconductor device and substrate processing apparatus
42 7,524,685 Manufacturing method of a display device
43 7,524,578 Battery comprising a flange formed at a peripheral edge and a protection circuit attached to the flange
44 7,524,570 Perpendicular magnetic recording system and medium with high-moment corrosion-resistant “soft” underlayer (SUL)
45 7,524,381 Method for controlling magnetostriction in a free layer of a magnetoresistive sensor
46 7,523,691 Miter saw having digital display capable of displaying specific angle
47 7,523,659 Flow measurement apparatus
48 7,523,619 Indoor and outdoor unit communication via signal from a power line
49 7,523,550 Process to open connection vias on a planarized surface
50 7,523,541 Method for manufacturing radio frequency IC tag