Hitachi patents granted on 13 January 2015

31 US patents granted on 13 January 2015 and assigned to Hitachi

1 8,935,537 Storage device and its control method
2 8,935,496 Management method of virtual storage system and remote copy system
3 8,935,488 Storage system and storage control method
4 8,935,448 Computer realizing high-speed access and data protection of storage device, computer system, and I/O request processing method
5 8,935,419 Filtering device for detecting HTTP request and disconnecting TCP connection
6 8,935,373 Management system and computer system management method
7 8,935,211 Metadata management for fixed content distributed data storage
8 8,935,033 Electrically driven dump truck
9 8,935,031 Construction vehicle control apparatus and construction vehicle
10 8,934,938 Wireless communication system, wireless communication method, and base station device
11 8,934,778 Output value control method and transmission apparatus
12 8,934,746 Flexible flat optical cable
13 8,934,633 Encrypted communication system, transmitter and receiver using same
14 8,934,610 File management system, method and computer program
15 8,934,601 Method and apparatus for a BWR control rod handling grapple
16 8,934,265 DC-DC converter
17 8,934,092 Surface defect inspection method and apparatus
18 8,934,006 Charged-particle microscope and method for controlling same
19 8,933,831 Analog-to-digital converter and wireless receiver
20 8,933,686 Single-phase optical current transformer
21 8,933,514 Transistor with MIM (Metal-Insulator-Metal) capacitor
22 8,933,423 Charged particle beam device and sample production method
23 8,933,422 Charged particle beam device
24 8,933,400 Inspection or observation apparatus and sample inspection or observation method
25 8,933,399 Mass spectrometry device including self-cleaning unit
26 8,932,773 Hydrogen generating apparatus and hydrogen generating method
27 8,932,516 Aluminum porous body and fabrication method of same
28 8,932,419 Urethane (meth)acrylate oligomer and sheet using the same
29 8,932,183 Training system
30 8,931,600 Method of manufacturing caliper body of floating-type disk brake and the caliper body
31 8,931,576 Power tool for performing soft-start control appropriated for motor load