| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 829 |
| 2021 | 1600 |
| 2020 | 1850 |
| 2019 | 1306 |
| 2018 | 3457 |
| 2017 | 4272 |
| 2016 | 2768 |
| 2015 | 1420 |
| 2014 | 942 |
| 2013 | 516 |
| 2012 | 327 |
| 2011 | 228 |
| 2010 | 215 |
| 2009 | 173 |
| 2008 | 221 |
| 2007 | 93 |
| 2006 | 54 |
| 2005 | 37 |
| 2004 | 28 |
| 2003 | 26 |
| 2002 | 13 |
| 2001 | 16 |
| 2000 | 13 |
| 1999 | 17 |
| 1998 | 15 |
| 1997 | 12 |
| 1996 | 8 |
| 1995 | 14 |
| 1994 | 5 |
| 1993 | 6 |
| 1992 | 5 |
| 1991 | 5 |
| 1990 | 4 |