H01J 2237/0453

Multiple apertures

Official title: multiple apertures

H01J2237/0453 (Multiple apertures) appears on 332 US grants and 380 published applications in this corpus.

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Granted patents
332
Published applications
380
Assignees
94
Inventors
539
Latest grant
25 Aug 2026

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H01J 2237/0453: granted patents and published applications per publication year
YearGranted patentsPublished applications
198310
198400
198500
198600
198700
198800
198900
199000
199100
199220
199300
199400
199510
199610
199710
199830
199950
200020
200165
200274
200341
200435
200525
200624
200743
200835
200957
201059
201145
201299
2013910
201475
201568
2016814
20171534
20182218
20193123
20202640
20212524
20222236
20232735
20241828
20252827
20261816

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

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