Table 2.
Nanotechnology patent applications published in the top 15 countries/regions’ patent offices in the interval 1991 to 2008 using keyword “title–abstract” search
| Rank | Patent office (repository) | No. of nanotechnology patent applications (1991–2008) | 2000 | 2008 |
|---|---|---|---|---|
| 1 | USA | 19,665 | 405 | 3,729 |
| 2 | PRC | 18,438 | 105 | 5,030 |
| 3 | Japan | 10,763 | 328 | 1,744 |
| 4 | South Korea | 5,963 | 74 | 1,249 |
| 5 | Canada | 1,539 | 41 | 255 |
| 6 | Taiwan | 1,363 | 28 | 3 |
| 7 | Germany | 1,312 | 62 | 70 |
| 8 | Australia | 1,296 | 76 | 136 |
| 9 | Russian Federation | 859 | 45 | 162 |
| 10 | Mexico | 471 | 0 | 88 |
| 11 | UK | 412 | 14 | 68 |
| 12 | France | 390 | 8 | 38 |
| 13 | Brazil | 315 | 0 | 103 |
| 14 | Ukraine | 243 | 0 | 83 |
| 15 | New Zealand | 140 | 11 | 18 |