| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 13980 |
| 2021 | 13814 |
| 2020 | 10024 |
| 2019 | 9469 |
| 2018 | 13062 |
| 2017 | 13134 |
| 2016 | 7563 |
| 2015 | 7175 |
| 2014 | 6932 |
| 2013 | 6304 |
| 2012 | 6293 |
| 2011 | 6721 |
| 2010 | 4712 |
| 2009 | 2352 |
| 2008 | 1272 |
| 2007 | 680 |
| 2006 | 388 |
| 2005 | 284 |
| 2004 | 147 |
| 2003 | 122 |
| 2002 | 77 |
| 2001 | 105 |
| 2000 | 61 |
| 1999 | 45 |
| 1998 | 54 |
| 1997 | 26 |
| 1996 | 35 |
| 1995 | 37 |
| 1994 | 50 |
| 1993 | 33 |
| 1992 | 37 |
| 1991 | 25 |
| 1990 | 21 |