| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 903 |
| 2021 | 1426 |
| 2020 | 1618 |
| 2019 | 1373 |
| 2018 | 3630 |
| 2017 | 3316 |
| 2016 | 1974 |
| 2015 | 1421 |
| 2014 | 1359 |
| 2013 | 600 |
| 2012 | 464 |
| 2011 | 267 |
| 2010 | 120 |
| 2009 | 169 |
| 2008 | 98 |
| 2007 | 74 |
| 2006 | 97 |
| 2005 | 53 |
| 2004 | 20 |
| 2003 | 25 |
| 2002 | 27 |
| 2001 | 13 |
| 2000 | 20 |
| 1999 | 22 |
| 1998 | 21 |
| 1997 | 10 |
| 1996 | 10 |
| 1995 | 9 |
| 1994 | 16 |
| 1993 | 24 |
| 1992 | 7 |
| 1991 | 6 |
| 1990 | 6 |