4 US patent applications published on 11 March 2010 and assigned to Matsushita
| 1 | 20100063824 | APPARATUS AND METHOD FOR WIDENING AUDIO SIGNAL BAND |
| 2 | 20100061811 | BULK COMPONENT FEEDER |
| 3 | 20100060166 | PLASMA DISPLAY PANEL |
| 4 | 20100059492 | AUTOMATIC WELDING EQUIPMENT |
