H03K 19/017518
Using a combination of bipolar and field effect transistors [bifet]
Official title: {using a combination of bipolar and field effect transistors [BIFET]}
H03K19/017518 (Using a combination of bipolar and field effect transistors [bifet]) appears on 249 US grants and 56 published applications in this corpus.
Search patents in H03K- Granted patents
- 249
- Published applications
- 56
- Assignees
- 89
- Inventors
- 375
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 16 | 0 |
| 1992 | 20 | 0 |
| 1993 | 13 | 0 |
| 1994 | 29 | 0 |
| 1995 | 19 | 0 |
| 1996 | 16 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 4 |
| 2004 | 0 | 1 |
| 2005 | 4 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 0 |
| 2011 | 3 | 4 |
| 2012 | 3 | 2 |
| 2013 | 0 | 2 |
| 2014 | 6 | 4 |
| 2015 | 1 | 4 |
| 2016 | 4 | 4 |
| 2017 | 6 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 4 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Level converter20 May 2025US 12,308,835 B2Endress + Hauser GmbH + Co. KG
- Push-pull output driver and operational amplifier using same24 Sep 2024US 12,101,068 B2Macronix International Co., Ltd.
- High-speed wide-band low-power level shifter for high-speed applications2 Jul 2024US 12,028,071 B2NXP USA, Inc.
- Switching device and system having the switching device for converting a differential input signal21 Nov 2023US 11,824,531 B2Sew-Eurodrive GmbH & Co. KG
- Transmitter circuitry with N-type pull-up transistor and low output voltage swing2 Aug 2022US 11,404,094 B2Intel Corporation
- Semiconductor device1 Aug 2024US 2024/0258309 A1Fuji Electric Co., Ltd.
- Level converter11 Jul 2024US 2024/0235551 A9Endress + Hauser GmbH + Co. KG
- High-speed wide-band low-power level shifter for high-speed applications9 May 2024US 2024/0154608 A1NXP USA, Inc.
- Level converter25 Apr 2024US 2024/0137021 A1Endress + Hauser GmbH + Co. KG
- Switching device and system having the switching device for converting a differential input signal23 Jun 2022US 2022/0200597 A1Sew-Eurodrive GmbH & Co. KG
Most cited
By later US patents
- Circuit for interfacing with both TTL and CMOS voltage levels53US 4,472,647 AMotorola, Inc. · 1984
- Ultra low jitter differential to fullswing BiCMOS comparator with equal rise/fall time and complementary outputs53US 5,900,746 ATexas Instruments Incorporated · 1999
- Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions46US 5,197,033 AHitachi, Ltd. · 1993
- BiCMOS transceiver (driver and receiver) for gigahertz operation46US 5,966,032 ANorthern Telecom Limited · 1999
- High speed high voltage switching circuit46US 9,755,641 B1Reno Technologies, Inc. · 2017