| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1099 |
| 2021 | 1307 |
| 2020 | 1586 |
| 2019 | 562 |
| 2018 | 686 |
| 2017 | 535 |
| 2016 | 342 |
| 2015 | 231 |
| 2014 | 258 |
| 2013 | 155 |
| 2012 | 80 |
| 2011 | 93 |
| 2010 | 53 |
| 2009 | 49 |
| 2008 | 31 |
| 2007 | 32 |
| 2006 | 29 |
| 2005 | 27 |
| 2004 | 17 |
| 2003 | 17 |
| 2002 | 15 |
| 2001 | 10 |
| 2000 | 10 |
| 1999 | 6 |
| 1998 | 9 |
| 1997 | 8 |
| 1996 | 9 |
| 1995 | 9 |
| 1994 | 12 |
| 1993 | 9 |
| 1992 | 8 |
| 1991 | 4 |
| 1990 | 1 |