| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 10779 |
| 2021 | 16035 |
| 2020 | 20455 |
| 2019 | 17333 |
| 2018 | 22115 |
| 2017 | 20422 |
| 2016 | 15964 |
| 2015 | 13703 |
| 2014 | 10158 |
| 2013 | 8294 |
| 2012 | 6286 |
| 2011 | 3482 |
| 2010 | 2363 |
| 2009 | 2300 |
| 2008 | 1672 |
| 2007 | 1214 |
| 2006 | 985 |
| 2005 | 508 |
| 2004 | 342 |
| 2003 | 243 |
| 2002 | 205 |
| 2001 | 136 |
| 2000 | 101 |
| 1999 | 87 |
| 1998 | 101 |
| 1997 | 66 |
| 1996 | 40 |
| 1995 | 38 |
| 1994 | 39 |
| 1993 | 36 |
| 1992 | 32 |
| 1991 | 21 |
| 1990 | 13 |