分面浏览：发表日期 |
| 当前检索式 | ((ALL：independently)) |
| 限定条件 | ((内容类型：专利)) |
| 2020 2 | 2019 4 | 2018 3 |
| 2017 7 | 2016 19 | 2015 8 |
| 2014 5 | 2013 2 | 2012 5 |
| 2011 2 | 2010 4 | 2009 6 |
| 2008 5 | 2007 4 | 2006 8 |
| 2005 14 | 2004 8 | 2003 9 |
| 2002 6 | 2001 7 | 2000 9 |
| 1999 12 | 1998 5 | 1997 5 |
| 1996 11 | 1995 3 | 1994 10 |
| 1993 5 | 1992 9 | 1991 17 |
| 1990 17 | 1989 22 | 1988 31 |
| 1987 24 | 1986 15 | 1985 9 |
| 1984 5 | 1983 8 | 1982 1 |
| 1980 1 | 1978 1 | 1972 1 |
| 1966 1 |
