| 年份 | 申请发明专利数量 |
|---|---|
| 2024 | — |
| 2023 | — |
| 2022 | 1993 |
| 2021 | 2768 |
| 2020 | 2602 |
| 2019 | 2509 |
| 2018 | 4069 |
| 2017 | 3520 |
| 2016 | 2197 |
| 2015 | 2216 |
| 2014 | 1962 |
| 2013 | 1315 |
| 2012 | 962 |
| 2011 | 673 |
| 2010 | 511 |
| 2009 | 328 |
| 2008 | 258 |
| 2007 | 196 |
| 2006 | 143 |
| 2005 | 81 |
| 2004 | 72 |
| 2003 | 33 |
| 2002 | 15 |
| 2001 | 13 |
| 2000 | 25 |
| 1999 | 19 |
| 1998 | 11 |
| 1997 | 9 |
| 1996 | 6 |
| 1995 | 10 |
| 1994 | 6 |
| 1993 | 10 |
| 1992 | 9 |
| 1991 | 12 |
| 1990 | 6 |