| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1781 |
| 2021 | 2658 |
| 2020 | 3356 |
| 2019 | 2602 |
| 2018 | 2814 |
| 2017 | 2926 |
| 2016 | 1998 |
| 2015 | 1349 |
| 2014 | 962 |
| 2013 | 674 |
| 2012 | 369 |
| 2011 | 156 |
| 2010 | 102 |
| 2009 | 63 |
| 2008 | 23 |
| 2007 | 23 |
| 2006 | 20 |
| 2005 | 19 |
| 2004 | 9 |
| 2003 | 12 |
| 2002 | 3 |
| 2001 | 6 |
| 2000 | 4 |
| 1999 | 7 |
| 1998 | 7 |
| 1997 | 7 |
| 1996 | 7 |
| 1995 | 2 |
| 1994 | 5 |
| 1993 | 4 |
| 1992 | 3 |
| 1991 | 5 |
| 1990 | 2 |