| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 594 |
| 2021 | 1054 |
| 2020 | 1250 |
| 2019 | 819 |
| 2018 | 1119 |
| 2017 | 2516 |
| 2016 | 2036 |
| 2015 | 2063 |
| 2014 | 1601 |
| 2013 | 1137 |
| 2012 | 433 |
| 2011 | 150 |
| 2010 | 87 |
| 2009 | 67 |
| 2008 | 51 |
| 2007 | 48 |
| 2006 | 18 |
| 2005 | 23 |
| 2004 | 9 |
| 2003 | 6 |
| 2002 | 11 |
| 2001 | 5 |
| 2000 | 9 |
| 1999 | 9 |
| 1998 | 3 |
| 1997 | 7 |
| 1996 | 8 |
| 1995 | 9 |
| 1994 | 22 |
| 1993 | 14 |
| 1992 | 9 |
| 1991 | 7 |
| 1990 | 7 |