| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 632 |
| 2021 | 932 |
| 2020 | 1470 |
| 2019 | 1298 |
| 2018 | 1242 |
| 2017 | 899 |
| 2016 | 650 |
| 2015 | 473 |
| 2014 | 223 |
| 2013 | 181 |
| 2012 | 175 |
| 2011 | 139 |
| 2010 | 99 |
| 2009 | 55 |
| 2008 | 65 |
| 2007 | 48 |
| 2006 | 45 |
| 2005 | 20 |
| 2004 | 17 |
| 2003 | 23 |
| 2002 | 18 |
| 2001 | 22 |
| 2000 | 23 |
| 1999 | 19 |
| 1998 | 14 |
| 1997 | 11 |
| 1996 | 20 |
| 1995 | 16 |
| 1994 | 22 |
| 1993 | 38 |
| 1992 | 12 |
| 1991 | 21 |
| 1990 | 9 |