| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 229 |
| 2021 | 392 |
| 2020 | 411 |
| 2019 | 368 |
| 2018 | 274 |
| 2017 | 177 |
| 2016 | 189 |
| 2015 | 150 |
| 2014 | 147 |
| 2013 | 118 |
| 2012 | 81 |
| 2011 | 75 |
| 2010 | 102 |
| 2009 | 50 |
| 2008 | 29 |
| 2007 | 37 |
| 2006 | 56 |
| 2005 | 33 |
| 2004 | 61 |
| 2003 | 29 |
| 2002 | 34 |
| 2001 | 31 |
| 2000 | 19 |
| 1999 | 33 |
| 1998 | 14 |
| 1997 | 19 |
| 1996 | 12 |
| 1995 | 20 |
| 1994 | 15 |
| 1993 | 18 |
| 1992 | 7 |
| 1991 | 3 |
| 1990 | 6 |