| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4968 |
| 2021 | 8081 |
| 2020 | 7559 |
| 2019 | 6398 |
| 2018 | 10606 |
| 2017 | 9403 |
| 2016 | 4220 |
| 2015 | 3096 |
| 2014 | 2193 |
| 2013 | 1694 |
| 2012 | 1103 |
| 2011 | 873 |
| 2010 | 706 |
| 2009 | 495 |
| 2008 | 414 |
| 2007 | 306 |
| 2006 | 162 |
| 2005 | 113 |
| 2004 | 115 |
| 2003 | 47 |
| 2002 | 49 |
| 2001 | 35 |
| 2000 | 27 |
| 1999 | 27 |
| 1998 | 30 |
| 1997 | 15 |
| 1996 | 27 |
| 1995 | 28 |
| 1994 | 23 |
| 1993 | 18 |
| 1992 | 32 |
| 1991 | 18 |
| 1990 | 24 |