Field briefing
H04J · Multiplex communication
Multiplex communication. Patents classified in CPC H04J, part of Electricity and electronics.
Dates, owners, statuses and filings come from the published records. Derived views are counted from them. Highlighted text is a plain-English AI reading, written from a patent's title and abstract. Legal statuses and expiry dates are estimates, not legal advice.
Who works on this, where, and with whom
Every company that files in this field, placed in its country. Lines join companies that file together or share inventors; hover one to see why. Pick a company to see its patents, people and news.
Connected industries
Other industries that share patents, companies or citations with Multiplex communication.
Newest patents in H04J · Multiplex communication
3 patents imported from the European Patent Office; newest published 2026-10-07; most active companies: Goumax Tech Inc, Huzhou Hualai Tech Co Ltd, Schweitzer Engineering LAB Inc.
- SMALL FORM-FACTOR PLUGGABLE DEVICE EP4818916A1, published 2026-10-07
- ULTRA-WIDE TUNABLE LASER SOURCE WITH MULTI-BAND GAIN MEDIA INTEGRATION US20260254202A1, published 2026-08-27
- USB lamp holder and using method thereof CN115497809A, published 2022-12-20
Most active companies
Counted over the newest 3 imported patents in this industry.
- Goumax Tech Inc 1 patent
- Huzhou Hualai Tech Co Ltd 1 patent
- Schweitzer Engineering LAB Inc 1 patent