| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1541 |
| 2021 | 1764 |
| 2020 | 2003 |
| 2019 | 1520 |
| 2018 | 1686 |
| 2017 | 1358 |
| 2016 | 1031 |
| 2015 | 971 |
| 2014 | 750 |
| 2013 | 665 |
| 2012 | 395 |
| 2011 | 282 |
| 2010 | 151 |
| 2009 | 122 |
| 2008 | 169 |
| 2007 | 89 |
| 2006 | 60 |
| 2005 | 46 |
| 2004 | 30 |
| 2003 | 18 |
| 2002 | 16 |
| 2001 | 56 |
| 2000 | 23 |
| 1999 | 6 |
| 1998 | 13 |
| 1997 | 8 |
| 1996 | 20 |
| 1995 | 12 |
| 1994 | 12 |
| 1993 | 11 |
| 1992 | 7 |
| 1991 | 7 |
| 1990 | 5 |