分面浏览：发表日期 |
| 当前检索式 | ((ALL：Ni)) |
| 限定条件 | ((内容类型：专利)) |
| 2023 4 | 2021 3 | 2020 5 |
| 2019 25 | 2018 50 | 2017 42 |
| 2016 49 | 2015 63 | 2014 45 |
| 2013 51 | 2012 54 | 2011 53 |
| 2010 38 | 2009 52 | 2008 40 |
| 2007 34 | 2006 37 | 2005 22 |
| 2004 32 | 2003 24 | 2002 21 |
| 2001 17 | 2000 28 | 1999 9 |
| 1998 13 | 1997 4 | 1996 7 |
| 1995 7 | 1994 7 | 1993 6 |
| 1992 8 | 1991 4 | 1990 10 |
| 1989 7 | 1988 9 | 1987 12 |
| 1986 11 | 1985 12 | 1984 12 |
| 1983 13 | 1982 7 | 1981 1 |
| 1980 2 | 1975 1 | 1972 2 |
