H04J 14/08
Time-division multiplex systems
H04J14/08 (Time-division multiplex systems) appears on 843 US grants and 700 published applications in this corpus.
Search patents in H04J- Granted patents
- 843
- Published applications
- 700
- Assignees
- 311
- Inventors
- 1,413
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 28 | 0 |
| 1999 | 27 | 0 |
| 2000 | 9 | 0 |
| 2001 | 21 | 15 |
| 2002 | 13 | 33 |
| 2003 | 24 | 35 |
| 2004 | 14 | 49 |
| 2005 | 16 | 14 |
| 2006 | 37 | 20 |
| 2007 | 37 | 24 |
| 2008 | 14 | 18 |
| 2009 | 18 | 19 |
| 2010 | 19 | 18 |
| 2011 | 20 | 14 |
| 2012 | 16 | 17 |
| 2013 | 15 | 20 |
| 2014 | 18 | 37 |
| 2015 | 38 | 55 |
| 2016 | 46 | 37 |
| 2017 | 53 | 58 |
| 2018 | 53 | 29 |
| 2019 | 38 | 29 |
| 2020 | 29 | 34 |
| 2021 | 30 | 25 |
| 2022 | 20 | 22 |
| 2023 | 23 | 35 |
| 2024 | 19 | 15 |
| 2025 | 17 | 20 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mapping multiplexing method and apparatus for optical transport network, and electronic device and storage medium22 Sep 2026US 12,744,613 B2Sanechips Technology Co., Ltd.
- Optical repeater device and relay method8 Sep 2026US 12,732,275 B2Kabushiki Kaisha Toshiba
- Service data processing method and apparatus18 Aug 2026US 12,712,658 B2Huawei Technologies Co., Ltd.
- Flexible Ethernet over wireless links14 Jul 2026US 12,683,894 B2Ciena Corporation
- Method and system of dynamic optical intelligent computing30 Jun 2026US 12,671,518 B2Tsinghua University
- Communication device, optical add/drop apparatus, and signal processing method6 Aug 2026US 2026/0230187 A1NTT, Inc.
- Optical line terminal and round-trip time adjustment method thereof16 Jul 2026US 2026/0205396 A1Realtek Singapore Private Limited
- Method, system, and related device30 Apr 2026US 2026/0121749 A1Huawei Technologies Co., Ltd.
- Method, system, and related device30 Apr 2026US 2026/0121783 A1Huawei Technologies Co., Ltd.
- Method and apparatus for interference cancellation23 Apr 2026US 2026/0113556 A1Nokia Solutions and Networks Oy
Most cited
By later US patents
- Method and apparatus for demodulating signals in a pulse oximetry system1,090US 6,229,856 B1Masimo Corporation · 2001
- Method and apparatus for demodulating signals in a pulse oximetry system1,044US 6,643,530 B2Masimo Corporation · 2003
- Method and apparatus for demodulating signals in a pulse oximetry system989US 7,003,339 B2Masimo Corporation · 2006
- Method and apparatus for demodulating signals in a pulse oximetry system851US 7,221,971 B2Masimo Corporation · 2007
- Method and apparatus for demodulating signals in a pulse oximetry system705US 8,185,180 B2Masimo Corporation · 2012