H03F 15/00
Amplifiers using galvano-magnetic effects not involving mechanical movement
Official title: Amplifiers using galvano-magnetic effects not involving mechanical movement, e.g. using Hall effect
H03F15/00 (Amplifiers using galvano-magnetic effects not involving mechanical movement) appears on 22 US grants and 20 published applications in this corpus.
Search patents in H03F- Granted patents
- 22
- Published applications
- 20
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic field controlled transistor20 Jun 2023US 11,683,938 B2International Business Machines Corporation
- Amplification using ambipolar hall effect in graphene16 Aug 2022US 11,415,643 B2Texas Instruments Incorporated
- High performance inductors1 Jun 2021US 11,024,454 B2QUALCOMM Incorporated
- Magnetoresistance effect device20 Apr 2021US 10,984,938 B2TDK Corporation
- Magnetic field controlled transistor12 Jan 2021US 10,892,299 B2International Business Machines Corporation
- Magnetic field controlled transistor22 Apr 2021US 2021/0118947 A1International Business Machines Corporation
- Amplification using ambipolar hall effect in graphene11 Jun 2020US 2020/0182950 A1Texas Instruments Incorporated
- Magnetic field controlled transistor6 Feb 2020US 2020/0043978 A1International Business Machines Corporation
- Magnetoresistance effect device25 Jul 2019US 2019/0228894 A1TDK Corporation
- Magnetoresistance effect device13 Jun 2019US 2019/0180901 A1TDK Corporation
Most cited
By later US patents
- Josephson-coupled resonator amplifier (JRA)17US 10,097,143 B2International Business Machines Corporation · 2018
- Hall effect isolation amplifier13US 4,616,188 ABurr-Brown Corporation · 1986
- Transpinnor-based transmission line transceivers and applications13US 6,859,063 B2Integrated Magnetoelectronics Corporation · 2005
- Isolator circuit with improved frequency response8US 3,974,425 AYokogawa Electric Works, Ltd. · 1976
- Magnetic bubble traveling wave amplifier4US 4,151,476 AThe United States of America as represented by the Secretary of the Army · 1979