| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 10287 |
| 2021 | 13299 |
| 2020 | 8116 |
| 2019 | 16600 |
| 2018 | 12911 |
| 2017 | 8592 |
| 2016 | 4811 |
| 2015 | 3356 |
| 2014 | 3955 |
| 2013 | 4677 |
| 2012 | 3448 |
| 2011 | 3744 |
| 2010 | 2767 |
| 2009 | 1781 |
| 2008 | 1561 |
| 2007 | 887 |
| 2006 | 255 |
| 2005 | 196 |
| 2004 | 118 |
| 2003 | 94 |
| 2002 | 78 |
| 2001 | 50 |
| 2000 | 31 |
| 1999 | 49 |
| 1998 | 41 |
| 1997 | 61 |
| 1996 | 52 |
| 1995 | 40 |
| 1994 | 34 |
| 1993 | 38 |
| 1992 | 43 |
| 1991 | 42 |
| 1990 | 39 |