H01J 2237/1215

Annular electrodes

H01J2237/1215 (Annular electrodes) appears on 25 US grants and 29 published applications in this corpus.

Search patents in H01J
Granted patents
25
Published applications
29
Assignees
16
Inventors
49
Latest grant
19 May 2026

Filings by year

H01J 2237/1215: granted patents and published applications per publication year
YearGranted patentsPublished applications
199220
199300
199410
199510
199600
199700
199800
199900
200000
200100
200200
200300
200401
200511
200600
200710
200800
200901
201000
201100
201200
201300
201400
201513
201612
201702
201810
201900
202024
202112
202224
202332
202444
202513
202630

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents