H04J 3/04

Distributors combined with modulators or demodulators

Official title: Distributors combined with modulators or demodulators {(pulse distributors in general H03K5/15; pulse counters H03K21/00 - H03K29/06; for telegraphy H04L5/22, H04L13/00 - H04L23/00, H04L25/45; for telephony H04Q11/04)}

H04J3/04 (Distributors combined with modulators or demodulators) appears on 637 US grants and 382 published applications in this corpus.

Search patents in H04J
Granted patents
637
Published applications
382
Assignees
325
Inventors
1,241
Latest grant
19 May 2026

Filings by year

H04J 3/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197760
197880
197950
198050
198120
198220
198350
198430
198550
198650
198760
1988150
1989120
1990150
199160
1992130
1993100
1994120
199580
1996140
199780
1998230
199970
200080
2001115
20021019
20031937
20042446
20051317
20062317
20072631
20084129
20091825
20104020
20112415
20122315
20132712
20141919
20152525
2016198
2017144
2018115
201989
2020115
202131
202241
202328
202444
202553
202632

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

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