| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3370 |
| 2021 | 5834 |
| 2020 | 8698 |
| 2019 | 6068 |
| 2018 | 6897 |
| 2017 | 5125 |
| 2016 | 3661 |
| 2015 | 2563 |
| 2014 | 1901 |
| 2013 | 1829 |
| 2012 | 1359 |
| 2011 | 1100 |
| 2010 | 884 |
| 2009 | 799 |
| 2008 | 629 |
| 2007 | 413 |
| 2006 | 413 |
| 2005 | 263 |
| 2004 | 190 |
| 2003 | 125 |
| 2002 | 81 |
| 2001 | 54 |
| 2000 | 94 |
| 1999 | 27 |
| 1998 | 38 |
| 1997 | 27 |
| 1996 | 31 |
| 1995 | 36 |
| 1994 | 30 |
| 1993 | 22 |
| 1992 | 23 |
| 1991 | 25 |
| 1990 | 29 |