Patent applications are worldwide patent applications filed through the Patent Cooperation Treaty procedure or with a national patent office.
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2019 | 8 | -61,90 % |
| 2018 | 21 | 110,00 % |
| 2017 | 10 | -44,44 % |
| 2016 | 18 | 38,46 % |
| 2015 | 13 | 0,00 % |
| 1993 | 13 | 333,33 % |
| 1991 | 3 | -40,00 % |
| 1990 | 5 |