H04J 13/12
Generation of orthogonal codes
H04J13/12 (Generation of orthogonal codes) appears on 353 US grants and 301 published applications in this corpus.
Search patents in H04J- Granted patents
- 353
- Published applications
- 301
- Assignees
- 117
- Inventors
- 525
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 5 |
| 2002 | 8 | 29 |
| 2003 | 16 | 18 |
| 2004 | 15 | 14 |
| 2005 | 13 | 14 |
| 2006 | 14 | 18 |
| 2007 | 11 | 11 |
| 2008 | 5 | 5 |
| 2009 | 10 | 6 |
| 2010 | 15 | 10 |
| 2011 | 11 | 8 |
| 2012 | 6 | 5 |
| 2013 | 7 | 3 |
| 2014 | 16 | 20 |
| 2015 | 12 | 12 |
| 2016 | 14 | 16 |
| 2017 | 16 | 20 |
| 2018 | 19 | 15 |
| 2019 | 17 | 21 |
| 2020 | 22 | 14 |
| 2021 | 13 | 11 |
| 2022 | 18 | 9 |
| 2023 | 17 | 6 |
| 2024 | 8 | 8 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods and systems for radar waveform diversity14 Jan 2025US 12,196,843 B2Waymo LLC
- Methods and Systems for Radar Waveform Diversity4 Jun 2026US 2026/0153610 A1Waymo LLC
- Dmrs design with cdm group expansion18 Sep 2025US 2025/0293831 A1Apple Inc.
- Orthogonal multiplexing of signals for non-coherent detection of wake-up sequences14 Aug 2025US 2025/0260462 A1
- Discrete fourier transform-spread (dft-s) based interlace physical uplink control channel (pucch) with user multiplexing26 Dec 2024US 2024/0430036 A1QUALCOMM Incorporated
- Signaling aspects for indication of co-scheduled dmrs ports in mu-mimo28 Nov 2024US 2024/0396658 A1Panasonic Intellectual Property Corporation of America
Most cited
By later US patents
- Method and system for simultaneously broadcasting and receiving digital and analog signals179US 5,956,624 AUSA Digital Radio Partners, L.P. · 1999
- Code division multiple access (CDMA) communication system172US 5,799,010 AInterDigital Technology Corporation · 1998
- Median weighted tracking for spread-spectrum communications146US 6,983,009 B2InterDigital Technology Corporation · 2006
- Data transmitter and receiver of a spread spectrum communication system using a pilot channel142US 5,712,869 ASamsung Electronics Co., Ltd. · 1998
- High data rate spread spectrum transceiver and associated methods139US 5,982,807 AHarris Corporation · 1999