Filings by year

H01J 29/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
1977110
1978130
1979130
1980190
1981180
1982110
1983130
198480
1985220
1986160
1987240
1988120
1989150
1990170
1991190
1992220
1993180
1994230
1995190
1996160
1997280
1998400
1999370
2000340
20012422
20021925
20032925
20042429
20051734
20062821
20071141
20081923
20092119
20101122
20111121
20121815
2013125
20141111
201588
2016101
201753
201853
201911
202010
202100
202200
202300
202400
202501

By publication year. Applications have been published since 2001.

Subgroups

Granted patents
All 10 subgroups

Recent patents

Most cited

By later US patents