| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 4562 |
| 2021 | 6534 |
| 2020 | 7380 |
| 2019 | 6275 |
| 2018 | 9298 |
| 2017 | 8143 |
| 2016 | 5271 |
| 2015 | 4864 |
| 2014 | 4033 |
| 2013 | 4153 |
| 2012 | 3124 |
| 2011 | 2290 |
| 2010 | 1636 |
| 2009 | 979 |
| 2008 | 686 |
| 2007 | 375 |
| 2006 | 354 |
| 2005 | 222 |
| 2004 | 118 |
| 2003 | 81 |
| 2002 | 60 |
| 2001 | 21 |
| 2000 | 28 |
| 1999 | 41 |
| 1998 | 21 |
| 1997 | 15 |
| 1996 | 18 |
| 1995 | 14 |
| 1994 | 12 |
| 1993 | 12 |
| 1992 | 10 |
| 1991 | 14 |
| 1990 | 9 |