48 US patents granted on 31 January 2006 and assigned to Matsushita
| 1 | 6,993,787 | Providing VCR functionality for data-centered video multicast |
| 2 | 6,993,786 | Client/server multimedia presentation system |
| 3 | 6,993,756 | Optimization apparatus that decreases delays in pipeline processing of loop and computer-readable storage medium storing optimization program |
| 4 | 6,993,517 | Information retrieval system for documents |
| 5 | 6,993,343 | Base station device and wireless communication method |
| 6 | 6,993,308 | Radio receiving device and radio receiving method |
| 7 | 6,993,251 | Method and apparatus for concealing disk soft errors in recorded digital television signals |
| 8 | 6,993,185 | Method of texture-based color document segmentation |
| 9 | 6,993,159 | Driving support system |
| 10 | 6,993,133 | Data recording and reproduction apparatus |
| 11 | 6,993,132 | System and method for reducing fraud in a digital cable network |
| 12 | 6,993,092 | Transmission apparatus, reception apparatus and digital radio communication method |
| 13 | 6,993,083 | Apparatus and method of OFDM demodulation |
| 14 | 6,993,066 | Transmitting apparatus and gain compensating method |
| 15 | 6,992,959 | Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk |
| 16 | 6,992,948 | Memory device having address generating circuit using phase adjustment by sampling divided clock to generate address signal of several bits having one bit changed in sequential order |
| 17 | 6,992,941 | Semiconductor memory device |
| 18 | 6,992,913 | Ferroelectric storage device |
| 19 | 6,992,880 | Solid electrolytic capacitor and its manufacturing method |
| 20 | 6,992,863 | Disk drive apparatus |
| 21 | 6,992,856 | Systems for limiting channel control values to thereby improve servo-demodulation robustness |
| 22 | 6,992,855 | Methods for limiting channel control values to thereby improve servo-demodulation robustness |
| 23 | 6,992,718 | Illuminating apparatus, display panel, view finder, video display apparatus, and video camera mounting the elements |
| 24 | 6,992,716 | Digital camera with interchangeable displays |
| 25 | 6,992,605 | Variable length coding method and variable length decoding method |
| 26 | 6,992,556 | Inductor part, and method of producing the same |
| 27 | 6,992,551 | Switch and method for manufacturing the same |
| 28 | 6,992,537 | Receiver |
| 29 | 6,992,446 | Halogen lamp with infrared reflective coating and halogen lamp with reflecting mirror and infrared reflective coating |
| 30 | 6,992,427 | High-yield cathode body, cathode sleeve structure, and cathode-ray tube, cathode sleeve substrate, and cathode body production method |
| 31 | 6,992,424 | Piezoelectric vibrator ladder-type filter using piezoeletric vibrator and double-mode piezolectric filter |
| 32 | 6,992,396 | Semiconductor device and method for fabricating the same |
| 33 | 6,992,356 | Semiconductor device |
| 34 | 6,992,333 | Light-emitting unit, light-emitting unit assembly, and lighting apparatus produced using a plurality of light-emitting units |
| 35 | 6,992,015 | Pattern formation method |
| 36 | 6,992,006 | Method for fabricating semiconductor device |
| 37 | 6,991,962 | Semiconductor device and manufacturing method for the same |
| 38 | 6,991,955 | Compound semiconductor, method for producing the same, semiconductor light-emitting device and method for fabricating the same |
| 39 | 6,991,951 | Solid-state imaging device production method and solid-state imaging device |
| 40 | 6,991,870 | Gas diffusion electrode and fuel cell using this |
| 41 | 6,991,752 | Positive electrode active material for non-aqueous electrolyte secondary cell and cell using the same |
| 42 | 6,991,217 | Vibration type linear actuator |
| 43 | 6,991,083 | Bill validator |
| 44 | RE38,954 | Television signal processor that is operable to generate a television signal broadcast waves with a plurality of different broadcast standards |
| 45 | D514,254 | Electric shaver |
| 46 | D514,150 | Surveillance camera |
| 47 | D514,104 | Liquid crystal display monitor |
| 48 | D514,082 | Combined video cassette recorder and digital disc player |