Filings by year

H01J 9/2272: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976160
1977190
197880
197950
198080
198130
198220
198340
198430
198530
198650
198780
198880
198950
199020
199150
199230
199340
199430
199520
199620
199730
199880
199930
200050
200113
200243
200322
200412
200501
200622
200700
200820

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents