| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3919 |
| 2021 | 6404 |
| 2020 | 6568 |
| 2019 | 6103 |
| 2018 | 6353 |
| 2017 | 5274 |
| 2016 | 3462 |
| 2015 | 2707 |
| 2014 | 4007 |
| 2013 | 1995 |
| 2012 | 1571 |
| 2011 | 1074 |
| 2010 | 730 |
| 2009 | 771 |
| 2008 | 513 |
| 2007 | 480 |
| 2006 | 527 |
| 2005 | 516 |
| 2004 | 280 |
| 2003 | 205 |
| 2002 | 194 |
| 2001 | 99 |
| 2000 | 88 |
| 1999 | 75 |
| 1998 | 89 |
| 1997 | 74 |
| 1996 | 56 |
| 1995 | 78 |
| 1994 | 66 |
| 1993 | 56 |
| 1992 | 49 |
| 1991 | 48 |
| 1990 | 26 |