| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1846 |
| 2021 | 2799 |
| 2020 | 2712 |
| 2019 | 2355 |
| 2018 | 3344 |
| 2017 | 6356 |
| 2016 | 5590 |
| 2015 | 5075 |
| 2014 | 3484 |
| 2013 | 2131 |
| 2012 | 1102 |
| 2011 | 552 |
| 2010 | 338 |
| 2009 | 248 |
| 2008 | 262 |
| 2007 | 268 |
| 2006 | 127 |
| 2005 | 136 |
| 2004 | 108 |
| 2003 | 77 |
| 2002 | 50 |
| 2001 | 43 |
| 2000 | 30 |
| 1999 | 20 |
| 1998 | 24 |
| 1997 | 18 |
| 1996 | 25 |
| 1995 | 27 |
| 1994 | 22 |
| 1993 | 31 |
| 1992 | 29 |
| 1991 | 15 |
| 1990 | 14 |