| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1714 |
| 2021 | 2700 |
| 2020 | 3597 |
| 2019 | 3858 |
| 2018 | 2980 |
| 2017 | 3108 |
| 2016 | 2191 |
| 2015 | 1781 |
| 2014 | 1479 |
| 2013 | 1063 |
| 2012 | 755 |
| 2011 | 622 |
| 2010 | 381 |
| 2009 | 319 |
| 2008 | 242 |
| 2007 | 259 |
| 2006 | 175 |
| 2005 | 115 |
| 2004 | 101 |
| 2003 | 103 |
| 2002 | 78 |
| 2001 | 68 |
| 2000 | 83 |
| 1999 | 47 |
| 1998 | 53 |
| 1997 | 32 |
| 1996 | 31 |
| 1995 | 24 |
| 1994 | 31 |
| 1993 | 46 |
| 1992 | 35 |
| 1991 | 14 |
| 1990 | 19 |