| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 854 |
| 2021 | 1229 |
| 2020 | 1530 |
| 2019 | 1616 |
| 2018 | 2273 |
| 2017 | 2024 |
| 2016 | 835 |
| 2015 | 432 |
| 2014 | 358 |
| 2013 | 237 |
| 2012 | 268 |
| 2011 | 238 |
| 2010 | 130 |
| 2009 | 90 |
| 2008 | 71 |
| 2007 | 30 |
| 2006 | 31 |
| 2005 | 24 |
| 2004 | 44 |
| 2003 | 36 |
| 2002 | 13 |
| 2001 | 12 |
| 2000 | 22 |
| 1999 | 7 |
| 1998 | 5 |
| 1997 | 18 |
| 1996 | 11 |
| 1995 | 4 |
| 1994 | 13 |
| 1993 | 15 |
| 1992 | 8 |
| 1991 | 3 |
| 1990 | 1 |