Hitachi patents granted on 14 April 2015

38 US patents granted on 14 April 2015 and assigned to Hitachi

1 9,009,744 Library system
2 9,009,701 Method for controlling a virtual machine and a virtual machine system
3 9,009,432 Storage system effectively managing a capacity for remote copy
4 9,009,417 Storage control apparatus and operating mode control method of storage control apparatus
5 9,009,395 Storage subsystem and its data processing method for reducing the amount of data to be stored in nonvolatile memory
6 9,009,287 Storage system, information processing apparatus, and connection method
7 9,009,204 Storage system
8 9,008,940 Vehicle control device and vehicle control method
9 9,008,902 Battery system for vehicle, on-vehicle battery module, and cell controller
10 9,008,727 Radio communication system, radio communication method, base station device and terminal device
11 9,007,872 Ultrasonic diagnostic apparatus and method thereof
12 9,007,767 Power inverter
13 9,007,722 High frequency magnetic field assisted magnetic recording head
14 9,007,721 Microwave assisted magnetic recording head having spin torque oscillator, and magnetic recording apparatus
15 9,007,581 Inspection method and inspection device
16 9,007,527 Imaging device, imaging system and imaging method
17 9,007,055 Self-pinned spin valve magnetoresistance effect film and magnetic sensor using the same, and rotation angle detection device
18 9,006,679 Mass spectrometer
19 9,006,674 Radioactive ray detecting apparatus
20 9,006,654 Charged particle beam apparatus
21 9,006,653 Electron microscope
22 9,006,116 Method of manufacturing semiconductor device, substrate processing method and substrate processing apparatus
23 9,005,853 Photosensitive resin composition, photosensitive film, rib pattern formation method, hollow structure and formation method for same, and electronic component
24 9,005,824 Lithium secondary battery
25 9,005,489 Sputtering target of oxide semiconductors and the manufacturing methods of oxide semiconductor layers
26 9,005,342 Filter and method of the same
27 9,005,127 Ultrasound image picking-up device
28 9,005,039 Aluminum alloy propeller shaft and friction welding process thereof
29 9,004,882 Variable displacement vane pump having multiple dampening springs
30 9,004,857 Barrel-shaped centrifugal compressor
31 9,004,662 Filter and ink-jet recording apparatus having the same
32 9,004,221 Torque sensor and power steering system using the torque sensor
33 9,004,217 Electric work vehicle
34 9,004,030 Variable valve actuating apparatus for internal combustion engine
35 9,004,029 Variable valve actuating apparatus for internal combustion engine
36 9,004,025 Variable valve timing control apparatus of internal combustion engine
37 9,003,868 Liquid chromatograph and sample introducing apparatus
38 9,003,817 Air-conditioning hot-water supply system, and heat pump unit