| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3521 |
| 2021 | 5074 |
| 2020 | 4866 |
| 2019 | 4746 |
| 2018 | 5398 |
| 2017 | 9926 |
| 2016 | 11414 |
| 2015 | 7640 |
| 2014 | 5244 |
| 2013 | 2910 |
| 2012 | 1472 |
| 2011 | 681 |
| 2010 | 494 |
| 2009 | 390 |
| 2008 | 296 |
| 2007 | 205 |
| 2006 | 168 |
| 2005 | 124 |
| 2004 | 139 |
| 2003 | 104 |
| 2002 | 91 |
| 2001 | 72 |
| 2000 | 70 |
| 1999 | 51 |
| 1998 | 41 |
| 1997 | 38 |
| 1996 | 65 |
| 1995 | 52 |
| 1994 | 83 |
| 1993 | 76 |
| 1992 | 58 |
| 1991 | 36 |
| 1990 | 22 |