Panasonic patents granted on 12 January 2010

40 US patents granted on 12 January 2010 and assigned to Panasonic

1 D607,646 Electric toothbrush
2 7,647,646 Information input/output system, key management device, and user device
3 7,647,638 Apparatus and a method for preventing unauthorized use and a device with a function of preventing unauthorized use
4 7,647,607 Viewing limit apparatus, viewing limit system, and viewing limit program
5 7,647,343 Information presentation system, management device, and terminal device
6 7,647,341 Map editing-and-displaying apparatus, map managing system, map managing method, and map storing medium
7 7,647,245 Security system-related marketing system and method
8 7,647,191 Accumulator state detection device
9 7,647,034 Design support system and design method for circuit board, and noise analysis program
10 7,646,986 Optical receiving device and optical receiving method
11 7,646,822 Antenna selective diversity
12 7,646,794 Laser apparatus and manufacturing method of a battery
13 7,646,742 Method of retransmission protocol reset synchronisation
14 7,646,702 OFDM communication apparatus
15 7,646,698 Wobble information recording method, information recording medium, and recording and reproduction method and apparatus thereof
16 7,646,689 Disk discriminating method and disk discriminating apparatus
17 7,646,686 Recording/reproduction apparatus which adjusts recording power based on a partial response maximum likelihood (PRML) technique
18 7,646,539 Optical device and manufacturing method thereof
19 7,646,518 Two dimensional image forming device
20 7,646,474 Measuring device, measuring apparatus and method of measuring
21 7,646,428 Package for solid image pickup element and solid image pickup device
22 7,646,426 Electronic equipment
23 7,646,421 Digital camera
24 7,646,385 Computer graphics rendering method and apparatus
25 7,646,273 Solenoid actuator
26 7,646,266 Surface acoustic wave resonator and surface acoustic wave filter using the same
27 7,646,246 Semiconductor device
28 7,646,245 Amplifier
29 7,646,176 Controller for rechargeable battery and temperature estimation method and deterioration determination method for rechargeable battery
30 7,646,165 Converter circuit and motor driving apparatus
31 7,646,136 Piezoelectric element, vibratory actuator and drive unit
32 7,646,095 Semiconductor device
33 7,646,065 Semiconductor device including fully-silicided (FUSI) gate electrodes
34 7,645,975 Spatial information detecting device
35 7,645,966 Attachment structure of storage unit
36 7,645,550 Toner, process for producing toner, and two-component developing agent
37 7,645,539 Non-aqueous electrolyte secondary battery
38 7,645,499 Optical information recording medium and manufacturing method thereof
39 7,645,073 Hydrodynamic bearing device, spindle motor and disc recording and reproducing apparatus
40 7,644,860 Information processing apparatus having illegal access prevention function and illegal access prevention method