| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 516 |
| 2021 | 839 |
| 2020 | 723 |
| 2019 | 629 |
| 2018 | 450 |
| 2017 | 513 |
| 2016 | 397 |
| 2015 | 319 |
| 2014 | 243 |
| 2013 | 160 |
| 2012 | 151 |
| 2011 | 82 |
| 2010 | 94 |
| 2009 | 96 |
| 2008 | 67 |
| 2007 | 42 |
| 2006 | 49 |
| 2005 | 37 |
| 2004 | 29 |
| 2003 | 25 |
| 2002 | 19 |
| 2001 | 21 |
| 2000 | 24 |
| 1999 | 18 |
| 1998 | 18 |
| 1997 | 25 |
| 1996 | 15 |
| 1995 | 16 |
| 1994 | 11 |
| 1993 | 13 |
| 1992 | 15 |
| 1991 | 4 |
| 1990 | 8 |