| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 808 |
| 2021 | 1139 |
| 2020 | 1069 |
| 2019 | 1152 |
| 2018 | 1361 |
| 2017 | 973 |
| 2016 | 850 |
| 2015 | 669 |
| 2014 | 636 |
| 2013 | 294 |
| 2012 | 265 |
| 2011 | 187 |
| 2010 | 155 |
| 2009 | 152 |
| 2008 | 95 |
| 2007 | 80 |
| 2006 | 64 |
| 2005 | 30 |
| 2004 | 23 |
| 2003 | 15 |
| 2002 | 32 |
| 2001 | 14 |
| 2000 | 20 |
| 1999 | 20 |
| 1998 | 21 |
| 1997 | 22 |
| 1996 | 12 |
| 1995 | 8 |
| 1994 | 12 |
| 1993 | 16 |
| 1992 | 9 |
| 1991 | 5 |
| 1990 | 5 |