Filings by year

G03D 3/132: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197790
197880
1979100
198060
1981110
1982160
198340
198460
198510
198620
1987120
198890
198990
1990180
1991130
199280
1993120
1994140
1995330
1996140
199790
1998270
1999300
2000260
200172
200238
200376
200422
200532
200612
200712
200810
200910
201000
201101
201200
201300
201400
201500
201600
201700
201801

By publication year. Applications have been published since 2001.