| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1068 |
| 2021 | 1779 |
| 2020 | 2838 |
| 2019 | 1836 |
| 2018 | 2995 |
| 2017 | 2105 |
| 2016 | 1268 |
| 2015 | 879 |
| 2014 | 434 |
| 2013 | 381 |
| 2012 | 303 |
| 2011 | 132 |
| 2010 | 132 |
| 2009 | 92 |
| 2008 | 85 |
| 2007 | 70 |
| 2006 | 46 |
| 2005 | 36 |
| 2004 | 35 |
| 2003 | 32 |
| 2002 | 16 |
| 2001 | 15 |
| 2000 | 13 |
| 1999 | 15 |
| 1998 | 11 |
| 1997 | 10 |
| 1996 | 15 |
| 1995 | 8 |
| 1994 | 7 |
| 1993 | 14 |
| 1992 | 2 |
| 1991 | 5 |
| 1990 | 6 |