| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 17216 |
| 2021 | 23700 |
| 2020 | 24804 |
| 2019 | 21710 |
| 2018 | 21227 |
| 2017 | 21201 |
| 2016 | 23993 |
| 2015 | 31443 |
| 2014 | 26794 |
| 2013 | 24338 |
| 2012 | 10533 |
| 2011 | 3428 |
| 2010 | 2322 |
| 2009 | 1787 |
| 2008 | 1451 |
| 2007 | 1072 |
| 2006 | 1054 |
| 2005 | 845 |
| 2004 | 538 |
| 2003 | 390 |
| 2002 | 223 |
| 2001 | 213 |
| 2000 | 217 |
| 1999 | 141 |
| 1998 | 127 |
| 1997 | 112 |
| 1996 | 74 |
| 1995 | 75 |
| 1994 | 82 |
| 1993 | 101 |
| 1992 | 86 |
| 1991 | 59 |
| 1990 | 45 |