H01J 2237/004

Charge control of objects or beams

H01J2237/004 (Charge control of objects or beams) appears on 583 US grants and 558 published applications in this corpus.

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Granted patents
583
Published applications
558
Assignees
186
Inventors
1,321
Latest grant
22 Sep 2026

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H01J 2237/004: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198510
198610
198700
198800
198920
199030
199120
199250
199330
199480
1995110
199660
199750
199880
1999110
2000100
2001132
20021419
2003297
20041722
20051617
20061424
20071721
20081725
20092228
20102123
20111927
20121920
20133014
20142919
20151823
20161520
20171815
20182124
20192227
20202831
20212120
20221823
20231427
20241926
20251934
20261620

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