Matsushita patents granted on 31 October 2006

55 US patents granted on 31 October 2006 and assigned to Matsushita

1 7,131,131 Disc cartridge having a disc window for viewing a disc
2 7,131,082 Delay distribution calculation method, circuit evaluation method and false path extraction method
3 7,130,952 Data transmit method and data transmit apparatus
4 7,130,875 Digital filter coefficient setting apparatus and digital filter coefficient setting method
5 7,130,840 Information recording medium, information recording method, information recording apparatus, information reproducing method, and information reproducing apparatus
6 7,130,743 Information providing method and information providing device
7 7,130,647 Cordless telephone system
8 7,130,592 Radio transmission apparatus and radio communication method
9 7,130,591 Cell phone
10 7,130,587 Communication quality estimation method, communication quality estimation apparatus, and communication system
11 7,130,531 Optical disc, recording apparatus, and computer-readable recording medium
12 7,130,487 Searching method, searching device, and recorded medium
13 7,130,453 Eye position detection method and device
14 7,130,422 Information security device, prime number generation device, and prime number generation method
15 7,130,324 Axial flow type gas laser oscillator
16 7,130,290 Partner node migration control unit and method
17 7,130,259 Optical pick-up apparatus
18 7,130,250 Optical head and optical disk apparatus for performing focus pull in
19 7,130,147 Magnetic recording/reproducing apparatus
20 7,130,146 Two-pass-per-track servo burst patterns
21 7,130,077 Document-reading apparatus and method for the same
22 7,129,991 Transmission method of digital audio data with video data
23 7,129,955 Image displaying method and image displaying device
24 7,129,823 Communications setting method and communications setting system for power line communications system
25 7,129,799 Piezoelectric vibration element and piezoelectric filter
26 7,129,779 Semiconductor device with floating block
27 7,129,680 Voltage step-up and step-down DC/DC converter
28 7,129,674 Power supply apparatus having control section for controlling quantity of fuel to be supplied to fuel cell
29 7,129,671 Stepping motor drive device and method
30 7,129,661 Motor driver, motor driven by the motor driver, and apparatus employing the motor
31 7,129,650 Lighting apparatus for high intensity discharge lamp
32 7,129,629 Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaire
33 7,129,628 Velocity modulation coil apparatus and cathode-ray tube apparatus
34 7,129,627 Color picture tube apparatus
35 7,129,487 Infrared detecting circuit and an infrared detector
36 7,129,449 Induction heating cooker
37 7,129,448 Heating apparatus fusing apparatus and image forming apparatus
38 7,129,435 Movable contact element and panel switch using the same
39 7,129,432 Lighted switch unit
40 7,129,431 Vehicle switch assembly
41 7,129,168 Method of estimating substrate temperature
42 7,129,135 Nonvolatile semiconductor memory device and method for fabricating the same
43 7,129,058 Method of production of a nanoparticle of a compound semiconductor in a cavity of protein
44 7,129,047 Method for manufacturing a nucleotide detector
45 7,129,000 Battery and method for generating an electric power
46 7,128,991 Fuel cell electricity generator
47 7,128,315 Discrete paper feeder
48 7,127,945 Angular velocity sensor
49 7,127,818 Electric shaver
50 RE39,367 Method for encoding and decoding moving picture signals
51 D531,201 Video projector
52 D531,174 Combined digital disk player and radio tuner for car audio
53 D531,169 Earphone
54 D531,160 Outdoor intercom unit
55 D531,129 Hub box for plugging in electronic devices