Patent applications are worldwide patent applications filed through the Patent Cooperation Treaty procedure or with a national patent office.
| तिथि | मान | बदले , % |
|---|---|---|
| 2014 | 2 | 0.00% |
| 2012 | 2 | 100.00% |
| 2011 | 1 | 0.00% |
| 1999 | 1 | -66.67% |
| 1996 | 3 | 0.00% |
| 1991 | 3 | 200.00% |
| 1988 | 1 | -88.89% |
| 1987 | 9 | 125.00% |
| 1986 | 4 | -33.33% |
| 1985 | 6 | 200.00% |
| 1984 | 2 | 100.00% |
| 1983 | 1 |