H04J 14/005
Optical code multiplex
Official title: {Optical Code Multiplex}
H04J14/005 (Optical code multiplex) appears on 274 US grants and 232 published applications in this corpus.
Search patents in H04J- Granted patents
- 274
- Published applications
- 232
- Assignees
- 135
- Inventors
- 422
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 7 |
| 2002 | 5 | 10 |
| 2003 | 10 | 17 |
| 2004 | 10 | 28 |
| 2005 | 5 | 12 |
| 2006 | 11 | 12 |
| 2007 | 19 | 22 |
| 2008 | 15 | 6 |
| 2009 | 6 | 18 |
| 2010 | 21 | 15 |
| 2011 | 15 | 7 |
| 2012 | 11 | 4 |
| 2013 | 7 | 6 |
| 2014 | 7 | 5 |
| 2015 | 9 | 1 |
| 2016 | 3 | 5 |
| 2017 | 6 | 6 |
| 2018 | 6 | 6 |
| 2019 | 9 | 10 |
| 2020 | 6 | 11 |
| 2021 | 9 | 2 |
| 2022 | 5 | 7 |
| 2023 | 6 | 7 |
| 2024 | 6 | 0 |
| 2025 | 2 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CDMA over WDM as a link management protocol29 Sep 2026US 12,750,151 B2NVIDIA Corporation
- System and method for wavelength control in frequency referenced passive optical network4 Nov 2025US 12,463,729 B2Huawei Technologies Co., Ltd.
- Frequency division multiple access optical subcarriers18 Mar 2025US 12,255,731 B2Infinera Corporation
- Signal transmission method and apparatus31 Dec 2024US 12,184,330 B2Huawei Technologies Co., Ltd.
- Frequency division multiple access optical subcarriers17 Sep 2024US 12,095,546 B2Infinera Corporation
- CDMA Over WDM for Light Source Frequency Locking20 Aug 2026US 2026/0246536 A1NVIDIA Corporation
- Cdma over wdm as a link management protocol20 Aug 2026US 2026/0246555 A1NVIDIA Corporation
- Communication control apparatus, communication apparatus, communication system, storage medium, and communication control method18 Sep 2025US 2025/0293791 A1NEC Corporation
- Frequency division multiple access optical subcarriers11 Sep 2025US 2025/0286619 A1
- Cdma over wdm as a link management protocol14 Aug 2025US 2025/0260502 A1NVIDIA Corporation
Most cited
By later US patents
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Apparatus and method for digital data transmission using orthogonal codes473US 6,356,555 B1Terayon Communications Systems, Inc. · 2002
- Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA345US 5,745,837 ATerayon Corporation · 1998
- Apparatus and method for equalization in distributed digital data transmission systems321US 6,665,308 B1Terayon Communication Systems, Inc. · 2003
- Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes277US 5,793,759 ATerayon Corporation · 1998