| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2572 |
| 2021 | 3985 |
| 2020 | 3019 |
| 2019 | 2679 |
| 2018 | 2612 |
| 2017 | 2394 |
| 2016 | 1877 |
| 2015 | 1450 |
| 2014 | 1282 |
| 2013 | 1385 |
| 2012 | 943 |
| 2011 | 644 |
| 2010 | 413 |
| 2009 | 321 |
| 2008 | 219 |
| 2007 | 193 |
| 2006 | 183 |
| 2005 | 169 |
| 2004 | 96 |
| 2003 | 73 |
| 2002 | 71 |
| 2001 | 81 |
| 2000 | 58 |
| 1999 | 55 |
| 1998 | 78 |
| 1997 | 71 |
| 1996 | 55 |
| 1995 | 59 |
| 1994 | 71 |
| 1993 | 52 |
| 1992 | 64 |
| 1991 | 42 |
| 1990 | 22 |