| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1826 |
| 2021 | 2281 |
| 2020 | 2214 |
| 2019 | 2291 |
| 2018 | 2823 |
| 2017 | 2583 |
| 2016 | 2156 |
| 2015 | 1325 |
| 2014 | 897 |
| 2013 | 858 |
| 2012 | 543 |
| 2011 | 500 |
| 2010 | 333 |
| 2009 | 268 |
| 2008 | 221 |
| 2007 | 148 |
| 2006 | 101 |
| 2005 | 105 |
| 2004 | 56 |
| 2003 | 56 |
| 2002 | 47 |
| 2001 | 19 |
| 2000 | 24 |
| 1999 | 17 |
| 1998 | 13 |
| 1997 | 14 |
| 1996 | 18 |
| 1995 | 18 |
| 1994 | 14 |
| 1993 | 37 |
| 1992 | 28 |
| 1991 | 18 |
| 1990 | 3 |