| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1241 |
| 2021 | 1538 |
| 2020 | 1754 |
| 2019 | 1384 |
| 2018 | 1426 |
| 2017 | 1341 |
| 2016 | 1209 |
| 2015 | 1154 |
| 2014 | 760 |
| 2013 | 531 |
| 2012 | 375 |
| 2011 | 302 |
| 2010 | 275 |
| 2009 | 289 |
| 2008 | 224 |
| 2007 | 182 |
| 2006 | 112 |
| 2005 | 90 |
| 2004 | 63 |
| 2003 | 41 |
| 2002 | 32 |
| 2001 | 26 |
| 2000 | 24 |
| 1999 | 25 |
| 1998 | 28 |
| 1997 | 25 |
| 1996 | 11 |
| 1995 | 21 |
| 1994 | 18 |
| 1993 | 11 |
| 1992 | 6 |
| 1991 | 8 |
| 1990 | 11 |