H03M 1/76
Using switching tree
Official title: using switching tree
H03M1/76 (Using switching tree) appears on 687 US grants and 496 published applications in this corpus.
Search patents in H03M- Granted patents
- 687
- Published applications
- 496
- Assignees
- 255
- Inventors
- 1,013
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 15 | 0 |
| 2001 | 26 | 8 |
| 2002 | 32 | 23 |
| 2003 | 24 | 14 |
| 2004 | 18 | 16 |
| 2005 | 16 | 26 |
| 2006 | 24 | 26 |
| 2007 | 22 | 35 |
| 2008 | 31 | 45 |
| 2009 | 33 | 24 |
| 2010 | 23 | 20 |
| 2011 | 31 | 27 |
| 2012 | 18 | 17 |
| 2013 | 16 | 13 |
| 2014 | 24 | 19 |
| 2015 | 25 | 7 |
| 2016 | 16 | 17 |
| 2017 | 15 | 15 |
| 2018 | 20 | 19 |
| 2019 | 27 | 15 |
| 2020 | 27 | 22 |
| 2021 | 30 | 21 |
| 2022 | 12 | 13 |
| 2023 | 15 | 25 |
| 2024 | 18 | 12 |
| 2025 | 12 | 14 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid class-D amplifier4 Aug 2026US 12,700,835 B2Realtek Semiconductor Corp.
- Digital-to-analog converter clock tracking systems and methods26 May 2026US 12,640,750 B2Apple Inc.
- Systems and methods for data signal multiplexing26 May 2026US 12,640,751 B2Huawei Technologies Co., Ltd.
- Digital-to-analog converter, data driver, and display device28 Apr 2026US 12,615,057 B2LAPIS Technology Co., Ltd.
- Configurable digital-to-analog converter calibration24 Mar 2026US 12,587,202 B2Analog Devices International Unlimited Company
- System and method for nyquist rate data conversion using dynamic element matching (dem) systems with a loop-filter3 Sep 2026US 2026/0261266 A1Alphacore, Inc.
- Systems and methods of hybrid resistive digital-to-analog converters6 Aug 2026US 2026/0230087 A1Samsung Electronics Co., Ltd.
- Signal generation circuit15 Jan 2026US 2026/0019065 A1The Ritsumeikan Trust
- Digital-to-analog converter (dac)25 Dec 2025US 2025/0392319 A1
- Differential digital-to-analog converter25 Dec 2025US 2025/0392322 A1Texas Instruments Incorporated
Most cited
By later US patents
- Integrated drivers for flat panel displays employing chalcogenide logic elements204US 5,694,054 AEnergy Conversion Devices, Inc. · 1997
- Analog to digital converter with a differential output resistor-digital-to-analog-converter for improved noise reduction128US 6,144,331 ATexas Instruments Incorporated · 2000
- Digital to analog converter123US 5,396,245 ALinear Technology Corporation · 1995
- Fast testing of D/A converters108US 5,841,382 ALucent Technologies Inc. · 1998
- Triple resistor string DAC architecture91US 6,914,547 B1Analog Devices, Inc. · 2005