H03C 1/36
Amplitude modulation: by means of semiconductor device having at least three electrodes
Official title: by means of semiconductor device having at least three electrodes (H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
H03C1/36 (Amplitude modulation: by means of semiconductor device having at least three electrodes) appears on 108 US grants and 86 published applications in this corpus.
Search patents in H03C- Granted patents
- 108
- Published applications
- 86
- Assignees
- 81
- Inventors
- 173
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 4 | 5 |
| 2003 | 4 | 5 |
| 2004 | 5 | 7 |
| 2005 | 0 | 3 |
| 2006 | 7 | 8 |
| 2007 | 9 | 5 |
| 2008 | 5 | 6 |
| 2009 | 5 | 8 |
| 2010 | 5 | 8 |
| 2011 | 6 | 5 |
| 2012 | 9 | 4 |
| 2013 | 4 | 2 |
| 2014 | 3 | 1 |
| 2015 | 4 | 4 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 4 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Envelope-detector-less forward data receiving device5 May 2026US 12,620,934 B2Korea University Research and Business Foundation
- Frequency generator arrangement14 May 2024US 11,984,848 B22pi-Labs GmbH
- Methods and apparatus to reduce variations for on-off keying transmissions2 Jan 2024US 11,863,360 B2Texas Instruments Incorporated
- Timing calibration technique for radio frequency digital-to-analog converter17 Oct 2023US 11,791,832 B2NXP B. V.
- Capacitively-coupled stacked class-d oscillators for galvanic isolation4 Apr 2023US 11,621,670 B1STMicroelectronics S,r.l.
- Envelope-detector-less forward data receiving device23 Oct 2025US 2025/0330123 A1Korea University Research and Business Foundation
- Methods and apparatus to reduce variations for on-off keying transmissions28 Sep 2023US 2023/0308323 A1Texas Instruments Incorporated
- Timing CalibrationTechnique For Radio Frequency Digital-To-Analog Converter20 Jul 2023US 2023/0231566 A1NXP B. V.
- Frequency generator arrangement1 Sep 2022US 2022/0278649 A12pi-Labs GmbH
- Device for phase and/or amplitude modulation25 Mar 2021US 2021/0091758 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Envelope modulator for haptic feedback devices126US 7,154,470 B2Immersion Corporation · 2006
- Mixer115US 5,680,078 AMurata Manufacturing Co., Ltd. · 1997
- High-efficiency modulation RF amplifier110US 6,377,784 B2Tropian, Inc. · 2002
- Amplitude modulator circuit having multiple power supplies93US 5,239,275 AMotorola, Inc. · 1993
- High-efficiency modulating RF amplifier68US 7,099,635 B2Matsushita Electric Industrial Co., Ltd. · 2006