Hitachi patents granted on 19 January 2010

44 US patents granted on 19 January 2010 and assigned to Hitachi

1 7,650,532 Storage system
2 7,650,480 Storage system and write distribution method
3 7,650,477 Method for changing a remote copy pair
4 7,650,475 Storage system and method for managing data using the same
5 7,650,462 Storage system and storage control apparatuses with compression and load balancing
6 7,650,456 Employment method of virtual tape volume
7 7,650,446 Storage system for back-end communications with other storage system
8 7,650,410 Method and system for managing programs for Web service system
9 7,650,393 Information processing system and method
10 7,650,328 Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication
11 7,650,225 Engine controller
12 7,650,217 Adaptive cruise control system and navigation system’s media with vehicle control information included
13 7,650,216 Vehicle driving system with adaptive skid control
14 7,650,162 Mobile terminal and wireless communication system
15 7,650,075 Optical add-drop multiplexer, and optical network equipment using the same
16 7,650,047 Change detection equipment and method of image recognition
17 7,649,991 Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack
18 7,649,890 Packet forwarding apparatus and communication bandwidth control method
19 7,649,851 Virtual network management method, virtual network management program, virtual network management system, and virtual network means
20 7,649,821 Disk discriminating method and optical disk apparatus
21 7,649,737 Flat panel display
22 7,649,719 Current perpendicular to plane (CPP) magnetoresistive sensor with improved pinned layer
23 7,649,717 Data storage device with support for wiring structure portion to suppress fluttering
24 7,649,714 High reliability heater for flying height control
25 7,649,712 Self aligned wrap around shield for perpendicular magnetic recording
26 7,649,711 Double notched shield and pole structure for stray field reduction in a magnetic head
27 7,649,677 Multi-ridged subwavelength aperture for optical transmission and thermally assisted magnetic recording
28 7,649,575 Liquid crystal display device with improved response speed
29 7,649,381 Level conversion circuit
30 7,649,331 Mobile robot
31 7,649,299 Rotating electrical machine and alternating-current generator
32 7,649,298 Claw teeth type electric rotary machine and manufacturing method for stators
33 7,649,278 Operating device for on-vehicle equipment
34 7,649,194 Nitride semiconductor free-standing substrate
35 7,649,172 Charged particle beam equipment with magnification correction
36 7,648,935 Dielectric porcelain composition for use in electronic devices
37 7,648,770 Primer, conductor foil with resin, laminated sheet and method of manufacturing laminated sheet
38 7,648,731 Fabricating perpendicular write elements in perpendicular magnetic recording heads
39 7,648,641 Method and apparatus for creating a topographically patterned substrate
40 7,648,578 Substrate processing apparatus, and method for manufacturing semiconductor device
41 7,648,370 Display apparatus
42 7,648,138 Sheet handling apparatus
43 7,648,003 Power steering system
44 7,647,825 Thermal type flowmeter