H01J 2237/3341

Reactive etching

H01J2237/3341 (Reactive etching) appears on 461 US grants and 683 published applications in this corpus.

Search patents in H01J
Granted patents
461
Published applications
683
Assignees
160
Inventors
1,488
Latest grant
6 Oct 2026

Filings by year

H01J 2237/3341: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198210
198300
198400
198520
198620
198720
198800
198910
199010
199110
199220
199340
199450
199550
199620
199700
199810
199930
200010
200122
200220
200320
200413
200510
200624
200713
200822
200913
201038
201124
201246
201346
2014311
2015918
20161118
20171321
20181222
20191977
20203381
20214657
20226064
20234659
20244467
20255290
20265257

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

Recent patents

Most cited

By later US patents