H04B 10/25891
Transmission components
Official title: {Transmission components (H04B10/40 takes precedence)}
H04B10/25891 (Transmission components) appears on 646 US grants and 669 published applications in this corpus.
Search patents in H04B- Granted patents
- 646
- Published applications
- 669
- Assignees
- 325
- Inventors
- 1,206
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 7 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 3 | 3 |
| 2006 | 3 | 1 |
| 2007 | 3 | 4 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 2 | 10 |
| 2011 | 3 | 8 |
| 2012 | 10 | 7 |
| 2013 | 8 | 15 |
| 2014 | 10 | 19 |
| 2015 | 20 | 76 |
| 2016 | 50 | 60 |
| 2017 | 51 | 84 |
| 2018 | 83 | 115 |
| 2019 | 93 | 62 |
| 2020 | 83 | 56 |
| 2021 | 51 | 45 |
| 2022 | 39 | 21 |
| 2023 | 23 | 18 |
| 2024 | 23 | 14 |
| 2025 | 8 | 13 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-precision distributed broadband microwave photonic local oscillator signal transmission system based on frequency tuning6 Oct 2026US 12,756,470 B2China Electronics Technology Group Corporation No 44 Research Institute
- Optical transmission method and apparatus22 Sep 2026US 12,744,600 B2Huawei Technologies Co., Ltd.
- High-isolation light source filling device and method in wavelength Division multiplexing system25 Aug 2026US 12,719,577 B2Accelink Technologies Co., Ltd.
- Fiber optic beam splitter4 Aug 2026US 12,699,226 B2Netafim, Ltd.
- Single-fiber bidirectional optical assembly14 Jul 2026US 12,683,686 B2InnoLight Technology (Suzhou) Ltd.
- Bi-directional optical communication modules and cables1 Oct 2026US 2026/0303215 A1
- Planar waveguide apparatus with diffraction element(s) and system employing same10 Sep 2026US 2026/0267399 A1Magic Leap, Inc.
- Apparatuses and methods for facilitiating hollow core fiber splicing evacuation20 Aug 2026US 2026/0243963 A1AT&T Intellectual Property I, L. P.
- Micro-photonics parallel data transmission fabric and interconnect2 Jul 2026US 2026/0189301 A1Intel Corporation
- Optoelectronic device and method of transmitting optical signal14 May 2026US 2026/0133365 A1Advanced Semiconductor Engineering, Inc.
Most cited
By later US patents
- Repeatered, multi-channel fiber optic communication network having fault isolation system259US 4,451,916 AHarris Corporation · 1984
- Fiber drop terminal184US 7,489,849 B2ADC Telecommunications, Inc. · 2009
- Fiber drop terminal153US 7,805,044 B2ADC Telecommunications, Inc. · 2010
- Service integrated communication transmission and interchange system148US 4,441,180 ALicentia Patent-Verwaltungs-G.m.b.H. · 1984
- Fiber drop terminal133US 7,627,222 B2ADC Telecommunications, Inc. · 2009