H03M 1/78
Using ladder network
Official title: using ladder network
H03M1/78 (Using ladder network) appears on 430 US grants and 281 published applications in this corpus.
Search patents in H03M- Granted patents
- 430
- Published applications
- 281
- Assignees
- 212
- Inventors
- 710
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 3 |
| 2003 | 6 | 7 |
| 2004 | 3 | 3 |
| 2005 | 3 | 3 |
| 2006 | 12 | 10 |
| 2007 | 8 | 12 |
| 2008 | 9 | 6 |
| 2009 | 7 | 7 |
| 2010 | 8 | 9 |
| 2011 | 7 | 6 |
| 2012 | 7 | 12 |
| 2013 | 7 | 9 |
| 2014 | 15 | 6 |
| 2015 | 12 | 9 |
| 2016 | 12 | 8 |
| 2017 | 19 | 19 |
| 2018 | 16 | 12 |
| 2019 | 23 | 16 |
| 2020 | 28 | 22 |
| 2021 | 19 | 20 |
| 2022 | 15 | 11 |
| 2023 | 14 | 21 |
| 2024 | 20 | 18 |
| 2025 | 12 | 22 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Digital-to-analog converter, chip, and electronic device6 Oct 2026US 12,756,402 B2Sg Micro Corp
- Bias circuit for an active phase shifter22 Sep 2026US 12,744,546 B2QUALCOMM Incorporated
- Wide range full-scale current configurable current-steering digital-to-analog converter (DAC)22 Sep 2026US 12,744,547 B2QUALCOMM Incorporated
- Resistor ladder-based multi-reference voltage generator with headroom increasing circuitry30 Jun 2026US 12,671,437 B1QUALCOMM Incorporated
- Digital-to-analog converter16 Jun 2026US 12,658,935 B2Analog Devices International Unlimited Company
- Optimization method, optimization apparatus, electronic device, storage medium and program product24 Sep 2026US 2026/0289063 A1Gigadevice Semiconductor Inc.
- Systems and methods of hybrid resistive digital-to-analog converters6 Aug 2026US 2026/0230087 A1Samsung Electronics Co., Ltd.
- Multiply-accumulate (mac) apparatus for in-memory computing25 Jun 2026US 2026/0180593 A1Nokia Solutions and Networks Oy
- Wide range full-scale current configurable current-steering digital-to-analog converter (dac)30 Apr 2026US 2026/0121658 A1QUALCOMM Incorporated
- Analog multiply-accumulate unit for multibit in-memory cell computing9 Apr 2026US 2026/0099299 A1Intel Corporation
Most cited
By later US patents
- R/2R ladder circuit and method for digital-to-analog converter78US 5,969,658 ABurr-Brown Corporation · 1999
- Multiple function type D/A converter51US 4,636,772 ARiken Denshi Co., Ltd. · 1987
- Method and apparatus for switching low voltage CMOS switches in high voltage digital to analog converters50US 6,266,001 B1Maxim Integrated Products, Inc. · 2001
- Digital-to-time converter46US 4,742,331 AAnalog Devices, Inc. · 1988
- Method and apparatus for deglitching digital to analog converters46US 6,304,199 B1Maxim Integrated Products, Inc. · 2001