34 US patents granted on 24 January 2006 and assigned to Matsushita
| 1 | 6,990,679 | Program surf grid |
| 2 | 6,990,627 | Digital radio communication system for communicating M-ary modulated error detection units |
| 3 | 6,990,595 | Data processing apparatus |
| 4 | 6,990,565 | Address conversion apparatus, address conversion method and computer program |
| 5 | 6,990,289 | Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system |
| 6 | 6,990,286 | Reproduced signal processor |
| 7 | 6,990,207 | Active noise control system |
| 8 | 6,990,160 | Reception apparatus and method |
| 9 | 6,990,155 | Wireless quadrature modulator transmitter using E/O and O/E connectives |
| 10 | 6,990,055 | Optical disc drive for controlling reproduction of an optical disc having a plurality of data layers |
| 11 | 6,990,043 | Semiconductor integrated circuit device having a common DRAM block accessed by a plurality of logic circuits |
| 12 | 6,990,006 | Non-volatile memory cell and a method of controlling the same |
| 13 | 6,989,970 | Rotary actuator assembly for a rotatable media data storage device |
| 14 | 6,989,872 | Image distortion correcting device and image distortion correcting method |
| 15 | 6,989,812 | Liquid crystal display unit and driving method therefor |
| 16 | 6,989,742 | Device and system for detecting abnormality |
| 17 | 6,989,713 | Predistortion circuit, low-distortion power amplifier, and control methods therefor |
| 18 | 6,989,634 | Magnetron cathode assembly |
| 19 | 6,989,626 | Piezoelectric transformer |
| 20 | 6,989,625 | Acoustic matching layer, ultrasonic transducer and ultrasonic flowmeter |
| 21 | 6,989,597 | Semiconductor integrated circuit and method of manufacturing the same |
| 22 | 6,989,566 | High-voltage semiconductor device including a floating block |
| 23 | 6,989,553 | Semiconductor device having an active region of alternating layers |
| 24 | 6,989,289 | Electrolytic capacitor and method of producing the same |
| 25 | 6,989,201 | Thin film EL device |
| 26 | 6,989,114 | Micro-shape transcription method, micro-shape transcription apparatus, and optical-component manufacture method |
| 27 | 6,988,923 | Method for manufacturing fluorescent lamp using lead wire holding block |
| 28 | 6,988,838 | Ink jet recording apparatus |
| 29 | 6,988,794 | Inkjet recording ink, method for producing said ink, and ink cartridge and recording device having said ink |
| 30 | 6,988,612 | Device for transferring/holding sheetlike member and its method |
| 31 | 6,988,584 | Speaker diaphragm edge and its manufacturing method |
| 32 | 6,988,563 | Hammer drill |
| 33 | RE38,943 | Compound objective lens for optical disks having different thicknesses |
| 34 | D513,744 | Recording unit of entrance television phone system |
