G01S 15/8952
Using discrete, multiple frequencies
Official title: {using discrete, multiple frequencies}
G01S15/8952 (Using discrete, multiple frequencies) appears on 206 US grants and 236 published applications in this corpus.
Search patents in G01S- Granted patents
- 206
- Published applications
- 236
- Assignees
- 135
- Inventors
- 499
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 7 | 2 |
| 2003 | 5 | 2 |
| 2004 | 7 | 11 |
| 2005 | 1 | 6 |
| 2006 | 1 | 5 |
| 2007 | 3 | 7 |
| 2008 | 1 | 6 |
| 2009 | 3 | 10 |
| 2010 | 6 | 8 |
| 2011 | 3 | 10 |
| 2012 | 2 | 3 |
| 2013 | 5 | 9 |
| 2014 | 4 | 9 |
| 2015 | 5 | 6 |
| 2016 | 3 | 6 |
| 2017 | 7 | 9 |
| 2018 | 8 | 13 |
| 2019 | 5 | 28 |
| 2020 | 15 | 20 |
| 2021 | 16 | 12 |
| 2022 | 13 | 10 |
| 2023 | 17 | 19 |
| 2024 | 14 | 8 |
| 2025 | 11 | 7 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-boundary array ultrasound imaging28 Apr 2026US 12,611,177 B2University of Southern California
- Ultrasound imaging with anatomy-based acoustic settings28 Apr 2026US 12,613,336 B2Koninklijke Philips N. V.
- Acoustical applications of modulation beamforming technology24 Feb 2026US 12,560,715 B2Sonogen Medical, Inc.
- Spread spectrum coded waveforms in ultrasound diagnostics27 Jan 2026US 12,533,111 B2Decision Sciences International Corporation
- Measurement device19 Aug 2025US 12,390,187 B2California Institute of Technology
- Method and system for wideband beam forming based target localization24 Sep 2026US 2026/0287744 A1Tata Consultancy Services Limited
- Spread spectrum coded waveforms in ultrasound diagnostics10 Sep 2026US 2026/0263048 A1Decision Sciences International Corporation
- Garment with ultrasonic imaging sensors20 Aug 2026US 2026/0240520 A1Ikko Health Ltd.
- Multi-dimensional & multi-frequency ultrasound transducers2 Apr 2026US 2026/0090790 A1Fujifilm Sonosite, Inc.
- Multi-dimensional & multi-frequency ultrasound transducers2 Apr 2026US 2026/0090791 A1Fujifilm Sonosite, Inc.
Most cited
By later US patents
- Focusing piezoelectric ultrasonic medical diagnostic system178US 4,276,491 AAusonics Pty. Ltd. · 1981
- Dual band ultrasonic systems161US 6,312,383 B1Riverside Research Institute · 2001
- Tissue inhomogeneity correction in ultrasound imaging154US 6,705,994 B2Insightec-Image Guided Treatment Ltd. · 2004
- Method and apparatus for focusing transmission and reception of ultrasonic beams118US 5,301,674 ADiasonics, Inc. · 1994
- Ultrasonic systems and methods for contrast agent concentration measurement115US 6,423,007 B2Riverside Research Institute · 2002