| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 22958 |
| 2021 | 32111 |
| 2020 | 31489 |
| 2019 | 31309 |
| 2018 | 25242 |
| 2017 | 30878 |
| 2016 | 16458 |
| 2015 | 12863 |
| 2014 | 15683 |
| 2013 | 18627 |
| 2012 | 12393 |
| 2011 | 8283 |
| 2010 | 5383 |
| 2009 | 3924 |
| 2008 | 2424 |
| 2007 | 1496 |
| 2006 | 1103 |
| 2005 | 966 |
| 2004 | 658 |
| 2003 | 660 |
| 2002 | 397 |
| 2001 | 253 |
| 2000 | 250 |
| 1999 | 193 |
| 1998 | 191 |
| 1997 | 159 |
| 1996 | 170 |
| 1995 | 170 |
| 1994 | 182 |
| 1993 | 270 |
| 1992 | 178 |
| 1991 | 98 |
| 1990 | 94 |