| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 3431 |
| 2021 | 5320 |
| 2020 | 7445 |
| 2019 | 6685 |
| 2018 | 9957 |
| 2017 | 6491 |
| 2016 | 5351 |
| 2015 | 3293 |
| 2014 | 2173 |
| 2013 | 1648 |
| 2012 | 1220 |
| 2011 | 730 |
| 2010 | 532 |
| 2009 | 423 |
| 2008 | 269 |
| 2007 | 213 |
| 2006 | 97 |
| 2005 | 102 |
| 2004 | 71 |
| 2003 | 40 |
| 2002 | 28 |
| 2001 | 18 |
| 2000 | 34 |
| 1999 | 17 |
| 1998 | 14 |
| 1997 | 21 |
| 1996 | 21 |
| 1995 | 12 |
| 1994 | 6 |
| 1993 | 6 |
| 1992 | 7 |
| 1991 | 6 |
| 1990 | 6 |