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 |
