| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3022 |
| 2021 | 5321 |
| 2020 | 6325 |
| 2019 | 5633 |
| 2018 | 7779 |
| 2017 | 8180 |
| 2016 | 6205 |
| 2015 | 4208 |
| 2014 | 2892 |
| 2013 | 2155 |
| 2012 | 1555 |
| 2011 | 1017 |
| 2010 | 790 |
| 2009 | 557 |
| 2008 | 461 |
| 2007 | 240 |
| 2006 | 151 |
| 2005 | 88 |
| 2004 | 76 |
| 2003 | 36 |
| 2002 | 36 |
| 2001 | 19 |
| 2000 | 24 |
| 1999 | 23 |
| 1998 | 16 |
| 1997 | 6 |
| 1996 | 19 |
| 1995 | 9 |
| 1994 | 12 |
| 1993 | 15 |
| 1992 | 4 |
| 1991 | 5 |
| 1990 | 6 |