Hitachi patents granted on 20 January 2015

22 US patents granted on 20 January 2015 and assigned to Hitachi

1 8,938,794 Access relay method and access gateway device
2 8,938,528 Computer system, and method for managing resource pool information
3 8,938,338 System for controlling construction machine
4 8,938,135 Method for manufacturing optical waveguide and optical waveguide manufactured by the method
5 8,938,088 Method and apparatus for classifying sections of an image into a plurality of embedded areas
6 8,938,027 Distortion compensation circuit, and transmission device using distortion compensation circuit and high-frequency power amplifier
7 8,937,965 Storage system comprising function for migrating virtual communication port added to physical communication port
8 8,937,855 Holographic optical pickup device, optical information recording and reproducing device, and method of reproducing optical information, having angular variable element arrangements for changing a light angle
9 8,937,789 Microwave assisted magnetic recording head and magnetic data storage apparatus
10 8,937,714 Inspecting apparatus and inspecting method
11 8,937,423 Disk motor and electric power tool
12 8,937,422 Magnetic iron core, method for manufacturing the same, axial-gap rotating electrical machine, and static electrical machine
13 8,937,419 Radially anisotropic ring R-TM-B magnet, its production method, die for producing it, and rotor for brushless motor
14 8,937,253 Catheter wire
15 8,937,022 Method of manufacturing semiconductor device, substrate processing method and substrate processing apparatus
16 8,936,869 Sealed cell and method of manufacture thereof
17 8,936,765 Automatic analyzer
18 8,936,754 Automatic analysis device
19 8,936,405 Multi-channel optical receiver module
20 8,936,323 Brake apparatus
21 8,935,959 Thermal type flow rate sensor
22 8,935,856 Chain saw