H03M 1/40
Recirculation type
Official title: recirculation type
H03M1/40 (Recirculation type) appears on 261 US grants and 145 published applications in this corpus.
Search patents in H03M- Granted patents
- 261
- Published applications
- 145
- Assignees
- 154
- Inventors
- 414
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 7 | 6 |
| 2007 | 4 | 7 |
| 2008 | 5 | 5 |
| 2009 | 12 | 10 |
| 2010 | 5 | 8 |
| 2011 | 6 | 7 |
| 2012 | 5 | 4 |
| 2013 | 12 | 13 |
| 2014 | 12 | 7 |
| 2015 | 11 | 10 |
| 2016 | 13 | 5 |
| 2017 | 4 | 4 |
| 2018 | 6 | 4 |
| 2019 | 13 | 11 |
| 2020 | 12 | 6 |
| 2021 | 7 | 5 |
| 2022 | 4 | 3 |
| 2023 | 8 | 9 |
| 2024 | 4 | 6 |
| 2025 | 6 | 6 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Successive-approximation analog-to-digital converter29 Sep 2026US 12,750,065 B2MegaChips Corporation
- Oversampling single-ended SAR DAC with reference ripple cancellation18 Aug 2026US 12,712,561 B2NXP USA, Inc.
- Circuit, and waveform sensor9 Jun 2026US 12,650,486 B2Renesas Electronics Corporation
- Analog digital conversion sensing by dynamically varying charging capacitor values21 Apr 2026US 12,609,714 B2Macronix International Co., Ltd.
- Sampling circuit and operating method of the same24 Feb 2026US 12,562,749 B2Samsung Electronics Co., Ltd.
- System for and method of analog to digital conversion using calibration4 Jun 2026US 2026/0155831 A1Avago Technologies International Sales Pte. Limited
- Oversampling Single-Ended SAR DAC With Reference Ripple Cancellation29 Jan 2026US 2026/0031829 A1NXP USA, Inc.
- Methods and devices for time domain adc sampling and filtering1 Jan 2026US 2026/0005701 A1Intel Corporation
- Successive-approximation analog-to-digital converter28 Aug 2025US 2025/0274137 A1MegaChips Corporation
- Analog digital conversion sensing by dynamically varying charging capacitor values6 Mar 2025US 2025/0080131 A1Macronix International Co., Ltd.
Most cited
By later US patents
- Analog to digital converter111US 5,202,687 AIntellectual Property Development Associates of Connecticut, Inc. · 1993
- Logic circuit utilizing capacitive coupling, an AD converter and a DA converter104US 6,043,675 AFujitsu Limited · 2000
- A/D converter with input capacitor, feedback capacitor, and two invertors95US 6,208,282 B1Fujitsu Limited · 2001
- Digitally self-calibrating pipeline analog-to-digital converter65US 5,499,027 AMassachusetts Institute of Technology · 1996
- Algorithmic analog-to-digital converter having redundancy and digital calibration62US 5,644,308 ACrystal Semiconductor Corporation · 1997