| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 73 |
| 2021 | 191 |
| 2020 | 212 |
| 2019 | 106 |
| 2018 | 161 |
| 2017 | 147 |
| 2016 | 157 |
| 2015 | 162 |
| 2014 | 152 |
| 2013 | 223 |
| 2012 | 122 |
| 2011 | 98 |
| 2010 | 78 |
| 2009 | 118 |
| 2008 | 87 |
| 2007 | 66 |
| 2006 | 75 |
| 2005 | 31 |
| 2004 | 24 |
| 2003 | 17 |
| 2002 | 15 |
| 2001 | 21 |
| 2000 | 14 |
| 1999 | 15 |
| 1998 | 27 |
| 1997 | 20 |
| 1996 | 23 |
| 1995 | 18 |
| 1994 | 13 |
| 1993 | 14 |
| 1992 | 11 |
| 1991 | 3 |
| 1990 | 3 |