| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 8921 |
| 2021 | 11877 |
| 2020 | 13247 |
| 2019 | 11775 |
| 2018 | 12635 |
| 2017 | 11241 |
| 2016 | 10932 |
| 2015 | 9905 |
| 2014 | 9534 |
| 2013 | 8329 |
| 2012 | 6743 |
| 2011 | 4713 |
| 2010 | 2477 |
| 2009 | 1332 |
| 2008 | 1025 |
| 2007 | 558 |
| 2006 | 488 |
| 2005 | 379 |
| 2004 | 223 |
| 2003 | 189 |
| 2002 | 120 |
| 2001 | 95 |
| 2000 | 77 |
| 1999 | 58 |
| 1998 | 59 |
| 1997 | 37 |
| 1996 | 38 |
| 1995 | 35 |
| 1994 | 23 |
| 1993 | 39 |
| 1992 | 22 |
| 1991 | 33 |
| 1990 | 14 |