| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 104 |
| 2021 | 261 |
| 2020 | 279 |
| 2019 | 208 |
| 2018 | 143 |
| 2017 | 142 |
| 2016 | 119 |
| 2015 | 81 |
| 2014 | 69 |
| 2013 | 126 |
| 2012 | 85 |
| 2011 | 41 |
| 2010 | 47 |
| 2009 | 47 |
| 2008 | 41 |
| 2007 | 33 |
| 2006 | 35 |
| 2005 | 38 |
| 2004 | 30 |
| 2003 | 24 |
| 2002 | 25 |
| 2001 | 30 |
| 2000 | 34 |
| 1999 | 27 |
| 1998 | 21 |
| 1997 | 20 |
| 1996 | 21 |
| 1995 | 10 |
| 1994 | 9 |
| 1993 | 12 |
| 1992 | 14 |
| 1991 | 5 |
| 1990 | 4 |