分面浏览：发表日期 |
| 当前检索式 | ((ALL：R&D)) |
| 限定条件 | ((内容类型：专利)) |
| 2021 4 | 2020 10 | 2019 49 |
| 2018 52 | 2017 50 | 2016 44 |
| 2015 58 | 2014 45 | 2013 46 |
| 2012 63 | 2011 29 | 2010 52 |
| 2009 40 | 2008 21 | 2007 19 |
| 2006 39 | 2005 55 | 2004 42 |
| 2003 30 | 2002 44 | 2001 10 |
| 2000 19 | 1999 12 | 1998 23 |
| 1997 17 | 1996 9 | 1995 10 |
| 1994 13 | 1993 11 | 1992 8 |
| 1991 7 | 1990 8 | 1989 13 |
| 1988 5 | 1987 1 | 1986 5 |
| 1985 5 | 1984 5 | 1983 3 |
| 1982 6 | 1981 4 | 1980 4 |
| 1979 6 | 1978 3 | 1977 5 |
| 1976 5 | 1975 1 | 1974 1 |
| 1971 1 | 1969 2 |
