| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4607 |
| 2021 | 5606 |
| 2020 | 6210 |
| 2019 | 4527 |
| 2018 | 4727 |
| 2017 | 4764 |
| 2016 | 4529 |
| 2015 | 3977 |
| 2014 | 3291 |
| 2013 | 3266 |
| 2012 | 2762 |
| 2011 | 1678 |
| 2010 | 1410 |
| 2009 | 1090 |
| 2008 | 972 |
| 2007 | 784 |
| 2006 | 524 |
| 2005 | 291 |
| 2004 | 258 |
| 2003 | 230 |
| 2002 | 159 |
| 2001 | 127 |
| 2000 | 135 |
| 1999 | 141 |
| 1998 | 123 |
| 1997 | 65 |
| 1996 | 72 |
| 1995 | 61 |
| 1994 | 61 |
| 1993 | 56 |
| 1992 | 56 |
| 1991 | 36 |
| 1990 | 24 |