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Negative impedance converters
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Patents Grants
last 30 patents
Information
Patent Grant
System for configuring active inductor simulator and multiplier cir...
Patent number
12,206,380
Issue date
Jan 21, 2025
King Fahd University of Petroleum & Minerals
Muneer A. Al-Absi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for implementing simulator and impedance multiplier circuit
Patent number
12,206,379
Issue date
Jan 21, 2025
King Fahd University of Petroleum & Minerals
Muneer A. Al-Absi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active inductive simulator and impedance multiplier
Patent number
12,184,256
Issue date
Dec 31, 2024
King Fahd University of Petroleum & Minerals
Muneer A. Al-Absi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tunable grounded positive and negative active inductor simulator an...
Patent number
12,126,315
Issue date
Oct 22, 2024
King Fahd University of Petroleum & Minerals
Muneer A. Al-Absi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active filter for electromagnetic interference (EMI) reduction usin...
Patent number
11,646,720
Issue date
May 9, 2023
Hong Kong Applied Science and Technology Research Institute Company Limited
Danting Xu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Impedance converter to achieve negative capacitance and/or negative...
Patent number
10,790,805
Issue date
Sep 29, 2020
QUALCOMM Incorporated
Makar Snai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Compensation circuit to mitigate antenna-to-antenna coupling
Patent number
10,581,156
Issue date
Mar 3, 2020
Qorvo US, Inc.
Nadim Khlat
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-foster active antenna
Patent number
10,560,072
Issue date
Feb 11, 2020
The Boeing Company
Carson R. White
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resonator circuit having greater degrees of freedom, filter with im...
Patent number
10,205,430
Issue date
Feb 12, 2019
Snaptrack, Inc.
Edgar Schmidhammer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optically powered and controlled non-foster circuit
Patent number
9,425,769
Issue date
Aug 23, 2016
HRL Laboratories, LLC
Carson R. White
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Drivers having T-coil structures
Patent number
9,197,195
Issue date
Nov 24, 2015
Taiwan Semiconductor Manufacturing Company, Ltd.
Ming-Chieh Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Drivers having T-coil structures
Patent number
8,896,352
Issue date
Nov 25, 2014
Taiwan Semiconductor Manufacturing Company, Ltd.
Ming-Chieh Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-phase frequency translated filter
Patent number
8,483,628
Issue date
Jul 9, 2013
Broadcom Corporation
Ahmad Mirzaei
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission line coupled to circuits and Q-enhancement cell
Patent number
8,190,115
Issue date
May 29, 2012
Broadcom Corporation
Adedayo Ojo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active EMC filter for medical applications
Patent number
7,983,746
Issue date
Jul 19, 2011
Schaffner EMV AG
Roland Kuepfer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Active bandpass filter
Patent number
7,889,029
Issue date
Feb 15, 2011
NATIONAL TAIWAN UNIVERSITY
Ching-Kuang C. Tzuang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit with Q-enhancement cell having programmable bias current slope
Patent number
7,885,629
Issue date
Feb 8, 2011
Broadcom Corporation
Adedayo Ojo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Voltage-controlled oscillator
Patent number
7,675,376
Issue date
Mar 9, 2010
Mitsubishi Electric Corporation
Masaomi Tsuru
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High-Q integrated RF filters
Patent number
7,522,017
Issue date
Apr 21, 2009
Sequoia Communications
John Groe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Negative impedance converter
Patent number
7,005,950
Issue date
Feb 28, 2006
General Research of Electronics, Inc.
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Negative resistance circuit
Patent number
6,985,053
Issue date
Jan 10, 2006
General Research of Electronics, Inc.
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier device with frequency-response-compensating amplifier rea...
Patent number
6,573,788
Issue date
Jun 3, 2003
Siemens Aktiengesellschaft
Ralph Oppelt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tuning circuit
Patent number
6,456,174
Issue date
Sep 24, 2002
General Research of Electronics, Inc.
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High differential output impedance setter
Patent number
5,438,288
Issue date
Aug 1, 1995
National Semiconductor Corporation
Cary L. Delano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low voltage bipolar negative impedance converter
Patent number
5,392,002
Issue date
Feb 21, 1995
National Semiconductor Corporation
Cary L. Delano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic transformer
Patent number
4,363,008
Issue date
Dec 7, 1982
Tellabs, Inc.
Charles W. Chambers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-node immittance network
Patent number
4,158,824
Issue date
Jun 19, 1979
International Standard Electric Corporation
Joannes C. A. M. Wouters
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for damping an ultrasonic transducer
Patent number
4,156,823
Issue date
May 29, 1979
Hideyuki Suzuki
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Negative impedance converters
Patent number
4,151,493
Issue date
Apr 24, 1979
Northern Telecom Limited
Ted J. Lewandowski
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Negative impedance repeater for telephone lines
Patent number
4,028,505
Issue date
Jun 7, 1977
Lorenzo Fassino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ACTIVE INDUCTIVE SIMULATOR AND IMPEDANCE MULTIPLIER
Publication number
20240405752
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Muneer A. AL-ABSI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR IMPLEMENTING SIMULATOR AND IMPEDANCE MULTIPLIER CIRCUIT
Publication number
20240405753
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Muneer A. AL-ABSI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SYSTEM FOR CONFIGURING ACTIVE INDUCTOR SIMULATOR AND MULTIPLIER CIR...
Publication number
20240405754
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Muneer A. AL-ABSI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PLASMA PROCESSING DEVICE, HIGH-FREQUENCY POWER SUPPLY CIRCUIT, AND...
Publication number
20240120179
Publication date
Apr 11, 2024
TOKYO ELECTRON LIMITED
Masaharu SHIRATANI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TUNABLE GROUNDED POSITIVE AND NEGATIVE ACTIVE INDUCTOR SIMULATOR AN...
Publication number
20240113697
Publication date
Apr 4, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Muneer A. AL-ABSI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INPUT/OUTPUT CAPACITANCE REDUCTION WITH NEGATIVE IMPEDANCE
Publication number
20240012497
Publication date
Jan 11, 2024
Intel Corporation
Isaac Abraham
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Active Filter for Electromagnetic Interference (EMI) Reduction Usin...
Publication number
20220239282
Publication date
Jul 28, 2022
Hong Kong Applied Science and Technology Research Institute Company Limited
Danting XU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
AMPLIFIER CIRCUIT
Publication number
20220052671
Publication date
Feb 17, 2022
Panasonic Intellectual Property Management Co.,Ltd
Atsushi SUWA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
IMPEDANCE CONVERTER TO ACHIEVE NEGATIVE CAPACITANCE AND/OR NEGATIVE...
Publication number
20180337660
Publication date
Nov 22, 2018
QUALCOMM Incorporated
Makar SNAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LINEARIZED NEGATIVE IMPEDANCE CONVERTER MATCHING CIRCUITS AND IMPED...
Publication number
20180123567
Publication date
May 3, 2018
SMART ANTENNA TECHNOLOGIES LTD
Sampson Hu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Resonator Circuit Having Greater Degrees of Freedom, Filter with Im...
Publication number
20170155371
Publication date
Jun 1, 2017
EPCOS AG
Edgar Schmidhammer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DRIVERS HAVING T-COIL STRUCTURES
Publication number
20150035566
Publication date
Feb 5, 2015
Taiwan Semiconductor Manufacturing Company, Ltd.
Ming-Chieh HUANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DRIVERS HAVING T-COIL STRUCTURES
Publication number
20130099767
Publication date
Apr 25, 2013
Taiwan Semiconductor Manufacturing Company, Ltd.
Ming-Chieh HUANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-FOSTER CIRCUIT STABILIZATION METHOD
Publication number
20130009724
Publication date
Jan 10, 2013
HRL LABORATORIES, LLC
Zhiwei Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Differential negative impedance converters and inverters with varia...
Publication number
20120256709
Publication date
Oct 11, 2012
HRL LABORATORIES, LLC
Donald A. Hitko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLE-PHASE FREQUENCY TRANSLATED FILTER
Publication number
20110300813
Publication date
Dec 8, 2011
BROADCOM CORPORATION
AHMAD MIRZAEI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION LINE COUPLED TO CIRCUITS AND Q-ENHANCEMENT CELL
Publication number
20110095812
Publication date
Apr 28, 2011
BROADCOM CORPORATION
Adedayo Ojo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ACTIVE EMC FILTER FOR MEDICAL APPLICATIONS
Publication number
20080143433
Publication date
Jun 19, 2008
Roland KUEPFER
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Circuit with Q-enhancement cell having programmable bias current slope
Publication number
20080032661
Publication date
Feb 7, 2008
Adedayo Ojo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Voltage-Controlled Oscillator
Publication number
20070247244
Publication date
Oct 25, 2007
Masaomi Tsuru
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Active Bandpass Filter
Publication number
20070236280
Publication date
Oct 11, 2007
National Taiwan University
Ching-Kuang C. Tzuang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Negative impedance converter
Publication number
20040222871
Publication date
Nov 11, 2004
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Negative resistance circuit
Publication number
20040183628
Publication date
Sep 23, 2004
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Amplifier device with frequency-response-compensating amplifier rea...
Publication number
20020041205
Publication date
Apr 11, 2002
Ralph Oppelt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Tuning circuit
Publication number
20020036553
Publication date
Mar 28, 2002
Kazuo Kawai
H03 - BASIC ELECTRONIC CIRCUITRY