| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1164 |
| 2021 | 1714 |
| 2020 | 2246 |
| 2019 | 2213 |
| 2018 | 2206 |
| 2017 | 1358 |
| 2016 | 935 |
| 2015 | 757 |
| 2014 | 566 |
| 2013 | 349 |
| 2012 | 364 |
| 2011 | 321 |
| 2010 | 258 |
| 2009 | 250 |
| 2008 | 145 |
| 2007 | 80 |
| 2006 | 60 |
| 2005 | 56 |
| 2004 | 37 |
| 2003 | 32 |
| 2002 | 38 |
| 2001 | 46 |
| 2000 | 44 |
| 1999 | 25 |
| 1998 | 26 |
| 1997 | 28 |
| 1996 | 13 |
| 1995 | 21 |
| 1994 | 19 |
| 1993 | 19 |
| 1992 | 17 |
| 1991 | 12 |
| 1990 | 13 |