| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 544 |
| 2021 | 768 |
| 2020 | 820 |
| 2019 | 812 |
| 2018 | 1086 |
| 2017 | 1134 |
| 2016 | 1082 |
| 2015 | 857 |
| 2014 | 714 |
| 2013 | 613 |
| 2012 | 387 |
| 2011 | 327 |
| 2010 | 297 |
| 2009 | 178 |
| 2008 | 77 |
| 2007 | 109 |
| 2006 | 67 |
| 2005 | 37 |
| 2004 | 23 |
| 2003 | 31 |
| 2002 | 12 |
| 2001 | 19 |
| 2000 | 14 |
| 1999 | 8 |
| 1998 | 10 |
| 1997 | 11 |
| 1996 | 12 |
| 1995 | 4 |
| 1994 | 9 |
| 1993 | 2 |
| 1992 | 5 |
| 1991 | 6 |
| 1990 | 1 |