Hitachi patents granted on 21 December 2010

25 US patents granted on 21 December 2010 and assigned to Hitachi

1 7,856,560 Digital information recording apparatus and recording/reproducing apparatus
2 7,856,559 Packet communication node apparatus for authenticating extension module
3 7,856,541 Latency aligned volume provisioning methods for interconnected multiple storage controller configuration
4 7,856,526 Storage apparatus and power-saving control method of storage apparatus
5 7,856,514 Storage system and method for connecting additional storage apparatus
6 7,856,405 Contents sales method and cyber mall system using such method and storage medium storing therein its contents sales program
7 7,856,009 VoIP gateway apparatus
8 7,855,941 Optical disk device
9 7,855,940 Pickup lens with phase compensator and optical pickup apparatus using the same
10 7,855,890 Cooling system for electronic equipment
11 7,855,861 Insulator barrier for noise reduction of a TMR magnetic transducer
12 7,855,857 Disk drive apparatus and head assembly used for the same
13 7,855,765 Liquid crystal display device
14 7,855,761 Liquid crystal display device
15 7,855,760 Liquid crystal display apparatus
16 7,855,709 Liquid crystal display device
17 7,855,698 Display driving method and apparatus
18 7,855,692 Method of aligning antenna azimuth
19 7,855,553 Test components fabricated with large area sensors used for determining the resistance of an MR sensor
20 7,855,489 Microactuator substrate
21 7,855,467 Hybrid power generation of wind-power generator and battery energy storage system
22 7,855,384 SIC semiconductor device and method for manufacturing the same
23 7,855,363 Inspection method and apparatus using an electron beam
24 7,855,032 Fuel cell
25 7,854,587 Centrifugal compressor and dry gas seal system for use in it