| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1720 |
| 2021 | 2481 |
| 2020 | 2164 |
| 2019 | 1759 |
| 2018 | 3895 |
| 2017 | 5981 |
| 2016 | 8021 |
| 2015 | 6391 |
| 2014 | 4544 |
| 2013 | 2959 |
| 2012 | 846 |
| 2011 | 201 |
| 2010 | 147 |
| 2009 | 159 |
| 2008 | 143 |
| 2007 | 93 |
| 2006 | 55 |
| 2005 | 89 |
| 2004 | 39 |
| 2003 | 15 |
| 2002 | 25 |
| 2001 | 23 |
| 2000 | 32 |
| 1999 | 34 |
| 1998 | 30 |
| 1997 | 26 |
| 1996 | 18 |
| 1995 | 15 |
| 1994 | 13 |
| 1993 | 22 |
| 1992 | 13 |
| 1991 | 10 |
| 1990 | 8 |