| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 2308 |
| 2021 | 3033 |
| 2020 | 3339 |
| 2019 | 1958 |
| 2018 | 2183 |
| 2017 | 2356 |
| 2016 | 1051 |
| 2015 | 477 |
| 2014 | 365 |
| 2013 | 255 |
| 2012 | 208 |
| 2011 | 164 |
| 2010 | 162 |
| 2009 | 77 |
| 2008 | 54 |
| 2007 | 64 |
| 2006 | 46 |
| 2005 | 39 |
| 2004 | 45 |
| 2003 | 28 |
| 2002 | 23 |
| 2001 | 27 |
| 2000 | 17 |
| 1999 | 17 |
| 1998 | 20 |
| 1997 | 30 |
| 1996 | 18 |
| 1995 | 21 |
| 1994 | 15 |
| 1993 | 17 |
| 1992 | 9 |
| 1991 | 5 |
| 1990 | 5 |