H04J 13/20
Having an orthogonal variable spreading factor [ovsf]
Official title: having an orthogonal variable spreading factor [OVSF]
H04J13/20 (Having an orthogonal variable spreading factor [ovsf]) appears on 119 US grants and 122 published applications in this corpus.
Search patents in H04J- Granted patents
- 119
- Published applications
- 122
- Assignees
- 53
- Inventors
- 217
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 7 |
| 2003 | 5 | 13 |
| 2004 | 6 | 12 |
| 2005 | 7 | 13 |
| 2006 | 15 | 8 |
| 2007 | 5 | 9 |
| 2008 | 10 | 2 |
| 2009 | 7 | 7 |
| 2010 | 7 | 8 |
| 2011 | 6 | 4 |
| 2012 | 7 | 5 |
| 2013 | 2 | 5 |
| 2014 | 6 | 3 |
| 2015 | 3 | 1 |
| 2016 | 4 | 3 |
| 2017 | 2 | 2 |
| 2018 | 4 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots10 Mar 2026US 12,574,068 B2Intellectual Ventures Holding 81 LLC
- Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots29 Jul 2025US 12,375,123 B2Intellectual Ventures Holding 81 LLC
- Single carrier control channel3 Dec 2024US 12,160,385 B2Nokia Technologies Oy
- Transmission power control for a radio base station8 Aug 2023US 11,722,967 B2Telefonaktiebolaget LM Ericsson (publ)
- Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots10 Jan 2023US 11,552,672 B2Intellectual Ventures Holding 81 LLC
- Generating a composite signal with code division multiplexing (cdm) and time division multiplexing (tdm) pilots9 Jul 2026US 2026/0197028 A1Intellectual Ventures Holding 81 LLC
- Generating a composite signal with code division multiplexing (cdm) and time division multiplexing (tdm) pilots16 Oct 2025US 2025/0323680 A1Intellectual Ventures Holding 81 LLC
- Generating a composite signal with code division multiplexing (cdm) and time division multiplexing (tdm) pilots4 May 2023US 2023/0138481 A1Intellectual Ventures Holding 81 LLC
- Single carrier control channel8 Sep 2022US 2022/0286260 A1Nokia Technologies Oy
- Transmission power control for a radio base station6 Jan 2022US 2022/0007301 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Channel assignment apparatus and method for a common packet channel in a WCDMA mobile communication system129US 6,859,445 B1Samsung Electronics Co., Ltd. · 2005
- Advanced signal processors for interference cancellation in baseband receivers113US 7,787,572 B2Rambus Inc. · 2010
- Data transmission within a spread-spectrum communication system96US 6,233,231 B1Motorola, Inc. · 2001
- Method and apparatus for compressed mode communications over a radio interface92US 6,868,075 B1Telefonaktiebolaget LM Ericsson (publ) · 2005
- Multi-carrier CDMA communication device, multi-carrier CDMA transmitting device, and multi-carrier CDMA receiving device91US 7,164,696 B2Mitsubishi Denki Kabushiki Kaisha · 2007