H04J 13/0074
Code shifting or hopping
Official title: {Code shifting or hopping}
H04J13/0074 (Code shifting or hopping) appears on 427 US grants and 416 published applications in this corpus.
Search patents in H04J- Granted patents
- 427
- Published applications
- 416
- Assignees
- 108
- Inventors
- 527
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 12 |
| 2003 | 8 | 0 |
| 2004 | 4 | 4 |
| 2005 | 2 | 4 |
| 2006 | 8 | 4 |
| 2007 | 1 | 11 |
| 2008 | 4 | 8 |
| 2009 | 3 | 15 |
| 2010 | 16 | 27 |
| 2011 | 17 | 20 |
| 2012 | 20 | 25 |
| 2013 | 27 | 30 |
| 2014 | 28 | 25 |
| 2015 | 36 | 30 |
| 2016 | 28 | 18 |
| 2017 | 28 | 20 |
| 2018 | 16 | 11 |
| 2019 | 18 | 15 |
| 2020 | 17 | 32 |
| 2021 | 15 | 28 |
| 2022 | 32 | 21 |
| 2023 | 20 | 20 |
| 2024 | 23 | 14 |
| 2025 | 9 | 16 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radio communication apparatus and radio communication method22 Sep 2026US 12,744,614 B2Panasonic Holdings Corporation
- Method and device for transmitting/receiving wireless signal in communication system25 Aug 2026US 12,719,724 B2Electronics and Telecommunications Research Institute
- Wireless communication device and method that utilize spread spectrum modulation to hide vendor information11 Aug 2026US 12,706,633 B2Realtek Semiconductor Corp.
- Systems and methods for sounding reference signal enhancement9 Jun 2026US 12,652,140 B2Zte Corporation
- Cyclic shift based mapping schemes for uplink control transmissions19 May 2026US 12,634,181 B2Zte Corporation
- Non-transitory storage medium storing a communication program and method of assigning pulse code train6 Aug 2026US 2026/0230104 A1National Institute of Information and Communicatins Technology
- Cyclic Shift Method for Root Sequence and Apparatus6 Aug 2026US 2026/0230358 A1Huawei Technologies Co., Ltd.
- Downlink control information for multi-transport block scheduling6 Aug 2026US 2026/0231177 A1QUALCOMM Incorporated
- Method for control signaling for srs interference randomization28 May 2026US 2026/0149542 A1Google Inc.
- Communication Method, Communication Apparatus, and Communication System26 Feb 2026US 2026/0058852 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Apparatus and method for equalization in distributed digital data transmission systems321US 6,665,308 B1Terayon Communication Systems, Inc. · 2003
- Advanced automotive automation and security system269US 5,534,845 A1996
- High-data-rate wireless local-area network210US 5,809,060 AMicrilor, Inc. · 1998
- Method and apparatus for using Walsh shift keying in a spread spectrum communication system206US 5,602,833 AQUALCOMM Incorporated · 1997
- Remote controlled garage door opening system131US 6,049,289 AMicrochip Technology Incorporated · 2000