| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 236 |
| 2021 | 334 |
| 2020 | 366 |
| 2019 | 400 |
| 2018 | 353 |
| 2017 | 362 |
| 2016 | 535 |
| 2015 | 363 |
| 2014 | 388 |
| 2013 | 327 |
| 2012 | 253 |
| 2011 | 136 |
| 2010 | 133 |
| 2009 | 141 |
| 2008 | 107 |
| 2007 | 100 |
| 2006 | 83 |
| 2005 | 44 |
| 2004 | 23 |
| 2003 | 48 |
| 2002 | 18 |
| 2001 | 36 |
| 2000 | 29 |
| 1999 | 12 |
| 1998 | 16 |
| 1997 | 17 |
| 1996 | 18 |
| 1995 | 19 |
| 1994 | 19 |
| 1993 | 42 |
| 1992 | 29 |
| 1991 | 13 |
| 1990 | 10 |