H04B 10/1143
Bidirectional transmission
Official title: {Bidirectional transmission}
H04B10/1143 (Bidirectional transmission) appears on 746 US grants and 703 published applications in this corpus.
Search patents in H04B- Granted patents
- 746
- Published applications
- 703
- Assignees
- 407
- Inventors
- 1,421
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 18 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 5 |
| 2002 | 9 | 7 |
| 2003 | 18 | 11 |
| 2004 | 8 | 18 |
| 2005 | 8 | 18 |
| 2006 | 16 | 17 |
| 2007 | 13 | 13 |
| 2008 | 7 | 26 |
| 2009 | 9 | 15 |
| 2010 | 10 | 15 |
| 2011 | 13 | 15 |
| 2012 | 15 | 20 |
| 2013 | 16 | 26 |
| 2014 | 24 | 52 |
| 2015 | 44 | 27 |
| 2016 | 43 | 39 |
| 2017 | 40 | 39 |
| 2018 | 47 | 47 |
| 2019 | 53 | 52 |
| 2020 | 44 | 51 |
| 2021 | 52 | 48 |
| 2022 | 42 | 42 |
| 2023 | 28 | 28 |
| 2024 | 47 | 40 |
| 2025 | 21 | 24 |
| 2026 | 18 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radio frequency support for establishing wireless optical connections22 Sep 2026US 12,744,598 B2Signify Holding B. V.
- Optical signal transmission in a hard disk drive25 Aug 2026US 12,718,840 B2Seagate Technology LLC
- Parallel microled-based free space optical interconnects23 Jun 2026US 12,665,673 B2AvicenaTech, Corp.
- Remote control device and control method thereof2 Jun 2026US 12,647,183 B2Samsung Electronics Co., Ltd.
- Rotary joint system19 May 2026US 12,631,828 B2Northrop Grumman Systems Corporation
- Device for transmitting optical-wireless signals27 Aug 2026US 2026/0254532 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Portable electronic device30 Jul 2026US 2026/0219713 A1Getac Technology Corporation
- Communication apparatus, communication method, and non-transitory computer readable medium25 Jun 2026US 2026/0180682 A1NEC Corporation
- System And Method For Configurable Invisible Light Communications16 Apr 2026US 2026/0106669 A1eSTS, Inc.
- Light Communication System That Emits a Light Pattern To Cause an Update Associated With a Virtual Meeting19 Feb 2026US 2026/0051954 A1Zoom Communications, Inc.
Most cited
By later US patents
- Non-synchronous object identification system197US 4,325,146 A1982
- Method and apparatus for two way infrared communication153US 5,416,627 A1995
- Portable wireless communication device142US 5,440,559 ASeiko Communications Holding N.V. · 1995
- Dual-use electronic transceiver set for wireless data networks136US 6,426,599 B1Talking Lights, LLC · 2002
- Remote meter reading system133US 4,119,948 A1978