| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 743 |
| 2021 | 979 |
| 2020 | 1134 |
| 2019 | 1242 |
| 2018 | 2107 |
| 2017 | 2052 |
| 2016 | 1377 |
| 2015 | 1158 |
| 2014 | 854 |
| 2013 | 854 |
| 2012 | 665 |
| 2011 | 224 |
| 2010 | 93 |
| 2009 | 74 |
| 2008 | 81 |
| 2007 | 81 |
| 2006 | 85 |
| 2005 | 41 |
| 2004 | 20 |
| 2003 | 17 |
| 2002 | 12 |
| 2001 | 9 |
| 2000 | 16 |
| 1999 | 13 |
| 1998 | 13 |
| 1997 | 10 |
| 1996 | 12 |
| 1995 | 11 |
| 1994 | 11 |
| 1993 | 13 |
| 1992 | 8 |
| 1991 | 9 |
| 1990 | 9 |