| No. | Name of Patentee | Number of Patents(pieces) | Own country(region) |
| 1 | SAMSUNG ELECTRONICS CO LTD | 480 | Korea |
| 2 | TOSHIBA KK | 405 | Japan |
| 3 | SONY CORP | 339 | Japan |
| 4 | HYNIX SEMICONDUCTOR INC | 302 | Korea |
| 5 | MICRON TECHNOLOGY INC | 203 | United States |
| 6 | NEC CORP | 202 | Japan |
| 7 | MATSUSHITA DENKI SANGYO KK | 199 | Japan |
| 8 | INT BUSINESS MACHINES CORP | 198 | United States |
| 9 | CANON KK | 188 | Japan |
| 10 | FUJITSU LTD | 187 | Japan |