| Patent normalization. | Change of company's legal name from “Matsushita Electric Industrial” legal name to “Panasonic Corporation” | Added transposed item using job | Automatic patent import | Declaration submission | Declaration submission |
| US19990319933 | US19990319933 | US19990319933 | US19990319933 | US19990319933 | US19990319933 |
| 18/06/1999 | 18/06/1999 | 18/06/1999 | 18/06/1999 | 18/06/1999 | 18/06/1999 |
| US6415254 B1 02/07/2002 | US6415254 B1 02/07/2002 | US6415254 B1 02/07/2002 | US6415254 B1 02/07/2002 | US6415254 B1 02/07/2002 | US6415254 B1 02/07/2002 |
| Sound encoder and sound decoder | Sound encoder and sound decoder | Sound encoder and sound decoder | Sound encoder and sound decoder | Sound encoder and sound decoder | Sound encoder and sound decoder |
| | | | | | |
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| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
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| JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 |
| MATSUSHITA ELECTRIC IND CO LTD [JP] | MATSUSHITA ELECTRIC IND CO LTD [JP] | MATSUSHITA ELECTRIC IND CO LTD [JP] | MATSUSHITA ELECTRIC IND CO LTD [JP] | MATSUSHITA ELECTRIC IND CO LTD [JP] | Godo Kaisha IP Bridge 1 |
| | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 | X | JP19970289412;JP19970295130;JP19980085717;WO1998JP04777 JP19970289412;JP19970295130;JP19980085717 | X | |
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