| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 458 |
| 2021 | 603 |
| 2020 | 782 |
| 2019 | 852 |
| 2018 | 901 |
| 2017 | 913 |
| 2016 | 490 |
| 2015 | 361 |
| 2014 | 258 |
| 2013 | 201 |
| 2012 | 176 |
| 2011 | 138 |
| 2010 | 106 |
| 2009 | 74 |
| 2008 | 46 |
| 2007 | 59 |
| 2006 | 50 |
| 2005 | 45 |
| 2004 | 19 |
| 2003 | 18 |
| 2002 | 15 |
| 2001 | 20 |
| 2000 | 18 |
| 1999 | 14 |
| 1998 | 15 |
| 1997 | 12 |
| 1996 | 7 |
| 1995 | 12 |
| 1994 | 8 |
| 1993 | 13 |
| 1992 | 8 |
| 1991 | 9 |
| 1990 | 3 |