| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2210 |
| 2021 | 2733 |
| 2020 | 2724 |
| 2019 | 2036 |
| 2018 | 2130 |
| 2017 | 1986 |
| 2016 | 2017 |
| 2015 | 2631 |
| 2014 | 1429 |
| 2013 | 1015 |
| 2012 | 739 |
| 2011 | 553 |
| 2010 | 434 |
| 2009 | 303 |
| 2008 | 328 |
| 2007 | 177 |
| 2006 | 120 |
| 2005 | 107 |
| 2004 | 100 |
| 2003 | 59 |
| 2002 | 39 |
| 2001 | 42 |
| 2000 | 31 |
| 1999 | 32 |
| 1998 | 28 |
| 1997 | 32 |
| 1996 | 37 |
| 1995 | 19 |
| 1994 | 27 |
| 1993 | 26 |
| 1992 | 15 |
| 1991 | 11 |
| 1990 | 11 |