| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 729 |
| 2021 | 766 |
| 2020 | 657 |
| 2019 | 368 |
| 2018 | 411 |
| 2017 | 274 |
| 2016 | 234 |
| 2015 | 233 |
| 2014 | 157 |
| 2013 | 133 |
| 2012 | 93 |
| 2011 | 103 |
| 2010 | 96 |
| 2009 | 117 |
| 2008 | 57 |
| 2007 | 47 |
| 2006 | 23 |
| 2005 | 28 |
| 2004 | 19 |
| 2003 | 16 |
| 2002 | 15 |
| 2001 | 16 |
| 2000 | 15 |
| 1999 | 19 |
| 1998 | 14 |
| 1997 | 24 |
| 1996 | 14 |
| 1995 | 11 |
| 1994 | 3 |
| 1993 | 10 |
| 1992 | 7 |
| 1991 | 3 |
| 1990 | 3 |