G01S 3/30
Derived directly from separate directional systems
Official title: derived directly from separate directional systems
G01S3/30 (Derived directly from separate directional systems) appears on 76 US grants and 68 published applications in this corpus.
Search patents in G01S- Granted patents
- 76
- Published applications
- 68
- Assignees
- 72
- Inventors
- 189
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 0 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 4 | 6 |
| 2014 | 2 | 7 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 4 | 4 |
| 2018 | 0 | 2 |
| 2019 | 4 | 1 |
| 2020 | 4 | 5 |
| 2021 | 3 | 6 |
| 2022 | 4 | 2 |
| 2023 | 5 | 3 |
| 2024 | 1 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for measuring azimuth of base station antenna6 Oct 2026US 12,754,275 B2Huawei Technologies Co., Ltd.
- Positioning method, device, robot and readable storage medium10 Mar 2026US 12,571,876 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Distance estimation device and distance estimation system14 Oct 2025US 12,442,907 B2Denso Corporation
- Power supply mat, noncontact power supply system, and moving body25 Mar 2025US 12,261,452 B2Toyota Jidosha Kabushiki Kaisha
- Leveraging spectral diversity for machine learning-based estimation of radio frequency signal parameters18 Jun 2024US 12,013,473 B2Cypress Semiconductor Corporation
- Golf club head with improved striking face24 Sep 2026US 2026/0287703 A1Acushnet Company
- Location determination based on a plurality of directional beams13 Aug 2026US 2026/0239284 A1Juniper Networks, Inc.
- System and method for auto detecting travel direction of authorized users through an access point of a security system25 Jun 2026US 2026/0179422 A1Honeywell International Inc.
- Guidance method and system for calculating course correction when navigating using unintended radio frequency or radiative emissions1 Jan 2026US 2026/0004666 A1Argus Industrial, LLC.
- Systems and methods for automatic direction finding2 Oct 2025US 2025/0306159 A1The Boeing Company
Most cited
By later US patents
- Method and apparatus for conveying a communication signal between a communication unit and a base site202US 5,596,333 AMotorola, Inc. · 1997
- Highly accurate RF-ID positioning system144US 5,594,448 ATexas Instruments Incorporated · 1997
- Highly accurate RE-ID positioning system107US 5,619,207 ATexas Instruments Incorporated · 1997
- Adaptive array antenna system101US 5,218,359 AKokusai Denshin Denwa Kabushiki Kaisha · 1993
- Millimeter wave imaging sensors, sources and systems93US 5,202,692 AMillitech Corporation · 1993