| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1292 |
| 2021 | 1780 |
| 2020 | 1787 |
| 2019 | 1756 |
| 2018 | 2150 |
| 2017 | 1592 |
| 2016 | 914 |
| 2015 | 582 |
| 2014 | 417 |
| 2013 | 454 |
| 2012 | 382 |
| 2011 | 350 |
| 2010 | 338 |
| 2009 | 294 |
| 2008 | 183 |
| 2007 | 132 |
| 2006 | 202 |
| 2005 | 202 |
| 2004 | 110 |
| 2003 | 133 |
| 2002 | 56 |
| 2001 | 38 |
| 2000 | 37 |
| 1999 | 41 |
| 1998 | 38 |
| 1997 | 39 |
| 1996 | 40 |
| 1995 | 43 |
| 1994 | 60 |
| 1993 | 88 |
| 1992 | 46 |
| 1991 | 32 |
| 1990 | 7 |