Patent applications are worldwide patent applications filed through the Patent Cooperation Treaty procedure or with a national patent office.
| तिथि | मान | बदले , % |
|---|---|---|
| 1996 | 23 | -37.84% |
| 1995 | 37 | 76.19% |
| 1994 | 21 | 0.00% |
| 1993 | 21 | -4.55% |
| 1991 | 22 | -53.19% |
| 1990 | 47 | 95.83% |
| 1989 | 24 |