Filings by year

H01J 31/201: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197730
197850
197910
198030
198110
198200
198300
198400
198500
198600
198750
198820
198910
199010
199120
199230
199310
199450
199530
199640
199740
199840
199930
200010
200131
200297
200361
200412
200511

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents