Hitachi patents granted on 22 September 2015

32 US patents granted on 22 September 2015 and assigned to Hitachi

1 9,143,846 Wavelength-multiplexed optical transmission device, wavelength-multiplexed optical transmission system, wavelength-multiplexed optical transmission method
2 9,143,485 Method for data privacy in a fixed content distributed data storage
3 9,143,458 Network device, method for controlling the network device, and network system
4 9,143,420 Data transport system, receiver and transmitter
5 9,143,269 Broadband wireless communication resource assigning method, base station apparatus and terminal apparatus
6 9,143,265 Optical polarization multilevel signal receiving apparatus, optical polarization multilevel signal transmitting apparatus, and optical polarization multilevel signal transmission apparatus
7 9,143,261 Optical module
8 9,143,075 Drive control device and drive control method for motor
9 9,143,065 Motor drive device
10 9,143,041 Magnetic circuit, power-supplying device and power-receiving device for non-contact charging apparatus, and non-contact charging apparatus
11 9,143,025 Magnetic gear mechanism including a plurality of rotors or stators
12 9,143,001 Wireless charging system
13 9,142,708 Glass composition and conductive paste for aluminum electrode wiring, electronic component provided with that aluminum electrode wiring and method for producing this electronic component
14 9,142,483 Mounting structure of transmission module
15 9,142,436 Statistical analysis method and substrate process system
16 9,142,435 Substrate stage of substrate processing apparatus and substrate processing apparatus
17 9,142,371 Actuator for contactor
18 9,142,333 Differential signal transmission cable and method of making same
19 9,141,879 Pattern matching method, image processing device, and computer program
20 9,141,843 Personal authentication device
21 9,141,184 Person detection system
22 9,140,670 Ultrasonic inspection method and ultrasonic inspection device
23 9,140,620 Pressure transmitter and transmission method
24 9,140,175 Engine and engine-operated working machine
25 9,140,142 Mounting/dismounting jig for combustor tail pipe and tail pipe installation method
26 9,140,124 Excavation machine
27 9,139,983 Construction machine
28 9,139,221 Method of producing rack of electric power steering device
29 9,139,065 Shock absorber
30 9,138,203 Ultrasonic probe and ultrasonic imaging apparatus using the same
31 9,138,201 Tissue insertion type ultrasonic probe
32 9,138,146 Biological optical measurement instrument and reference image display method