| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2175 |
| 2021 | 2408 |
| 2020 | 1881 |
| 2019 | 1234 |
| 2018 | 3499 |
| 2017 | 2132 |
| 2016 | 809 |
| 2015 | 654 |
| 2014 | 1115 |
| 2013 | 589 |
| 2012 | 396 |
| 2011 | 222 |
| 2010 | 131 |
| 2009 | 94 |
| 2008 | 70 |
| 2007 | 29 |
| 2006 | 22 |
| 2005 | 21 |
| 2004 | 10 |
| 2003 | 7 |
| 2002 | 6 |
| 2001 | 3 |
| 2000 | 7 |
| 1999 | 6 |
| 1998 | 5 |
| 1997 | 3 |
| 1996 | 5 |
| 1995 | 1 |
| 1994 | 5 |
| 1993 | 5 |
| 1992 | 2 |
| 1991 | 4 |
| 1990 | 2 |