| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 19568 |
| 2021 | 25220 |
| 2020 | 27515 |
| 2019 | 25297 |
| 2018 | 36710 |
| 2017 | 34321 |
| 2016 | 23670 |
| 2015 | 15330 |
| 2014 | 11817 |
| 2013 | 6829 |
| 2012 | 4248 |
| 2011 | 2843 |
| 2010 | 1672 |
| 2009 | 1150 |
| 2008 | 737 |
| 2007 | 473 |
| 2006 | 502 |
| 2005 | 392 |
| 2004 | 274 |
| 2003 | 230 |
| 2002 | 151 |
| 2001 | 100 |
| 2000 | 130 |
| 1999 | 94 |
| 1998 | 86 |
| 1997 | 75 |
| 1996 | 69 |
| 1995 | 45 |
| 1994 | 51 |
| 1993 | 53 |
| 1992 | 47 |
| 1991 | 40 |
| 1990 | 20 |