| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2353 |
| 2021 | 2941 |
| 2020 | 2791 |
| 2019 | 2162 |
| 2018 | 2803 |
| 2017 | 2703 |
| 2016 | 1835 |
| 2015 | 1579 |
| 2014 | 1213 |
| 2013 | 1077 |
| 2012 | 821 |
| 2011 | 480 |
| 2010 | 275 |
| 2009 | 259 |
| 2008 | 276 |
| 2007 | 167 |
| 2006 | 122 |
| 2005 | 79 |
| 2004 | 50 |
| 2003 | 35 |
| 2002 | 35 |
| 2001 | 23 |
| 2000 | 36 |
| 1999 | 29 |
| 1998 | 22 |
| 1997 | 18 |
| 1996 | 27 |
| 1995 | 10 |
| 1994 | 26 |
| 1993 | 29 |
| 1992 | 22 |
| 1991 | 7 |
| 1990 | 10 |