| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1646 |
| 2021 | 2542 |
| 2020 | 3749 |
| 2019 | 3012 |
| 2018 | 4497 |
| 2017 | 5434 |
| 2016 | 2880 |
| 2015 | 2296 |
| 2014 | 1858 |
| 2013 | 1504 |
| 2012 | 940 |
| 2011 | 630 |
| 2010 | 433 |
| 2009 | 345 |
| 2008 | 254 |
| 2007 | 145 |
| 2006 | 159 |
| 2005 | 81 |
| 2004 | 83 |
| 2003 | 61 |
| 2002 | 48 |
| 2001 | 23 |
| 2000 | 20 |
| 1999 | 16 |
| 1998 | 17 |
| 1997 | 16 |
| 1996 | 10 |
| 1995 | 6 |
| 1994 | 15 |
| 1993 | 20 |
| 1992 | 9 |
| 1991 | 19 |
| 1990 | 12 |