| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 704 |
| 2021 | 1074 |
| 2020 | 1103 |
| 2019 | 1047 |
| 2018 | 1279 |
| 2017 | 993 |
| 2016 | 900 |
| 2015 | 458 |
| 2014 | 383 |
| 2013 | 298 |
| 2012 | 279 |
| 2011 | 166 |
| 2010 | 98 |
| 2009 | 60 |
| 2008 | 37 |
| 2007 | 39 |
| 2006 | 22 |
| 2005 | 26 |
| 2004 | 12 |
| 2003 | 13 |
| 2002 | 22 |
| 2001 | 12 |
| 2000 | 15 |
| 1999 | 7 |
| 1998 | 7 |
| 1997 | 6 |
| 1996 | 7 |
| 1995 | 7 |
| 1994 | 14 |
| 1993 | 4 |
| 1992 | 5 |
| 1991 | 1 |
| 1990 | 6 |