| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1481 |
| 2021 | 1827 |
| 2020 | 1761 |
| 2019 | 1344 |
| 2018 | 1474 |
| 2017 | 1141 |
| 2016 | 953 |
| 2015 | 688 |
| 2014 | 625 |
| 2013 | 540 |
| 2012 | 490 |
| 2011 | 290 |
| 2010 | 199 |
| 2009 | 197 |
| 2008 | 119 |
| 2007 | 92 |
| 2006 | 54 |
| 2005 | 32 |
| 2004 | 27 |
| 2003 | 25 |
| 2002 | 15 |
| 2001 | 20 |
| 2000 | 21 |
| 1999 | 21 |
| 1998 | 26 |
| 1997 | 16 |
| 1996 | 8 |
| 1995 | 16 |
| 1994 | 10 |
| 1993 | 27 |
| 1992 | 14 |
| 1991 | 6 |
| 1990 | 4 |