Sayed A. El-Hamamsy

Person

Schenectady, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency coil for open magnetic resonance imaging system
- Patent number 6,437,567
- Issue date Aug 20, 2002
- General Electric Company
- John Frederick Schenck
- G01 - MEASURING TESTING
Information Patent Grant
Low noise MRI scanner
- Patent number 6,437,568
- Issue date Aug 20, 2002
- General Electric Company
- William Alan Edelstein
- G01 - MEASURING TESTING
Information Patent Grant
Method to automatically tune MRI RF coils
- Patent number 6,184,684
- Issue date Feb 6, 2001
- General Electric Company
- Charles Lucien Dumoulin
- G01 - MEASURING TESTING
Information Patent Grant
MRI magnet assembly with non-conductive inner wall
- Patent number 6,157,276
- Issue date Dec 5, 2000
- General Electric Company
- Robert Arvin Hedeen
- G01 - MEASURING TESTING
Information Patent Grant
Method to automatically tune MRI RF coils
- Patent number 6,054,858
- Issue date Apr 25, 2000
- General Electric Company
- Charles Lucien Dumoulin
- G01 - MEASURING TESTING
Information Patent Grant
Solderless `fingerprint` RF shield
- Patent number 5,861,838
- Issue date Jan 19, 1999
- General Electric Company
- Sayed-Amr Ahnes El-Hamamsy
- G01 - MEASURING TESTING
Information Patent Grant
Accurate placement and retention of an amalgam in a electrodeless f...
- Patent number 5,629,584
- Issue date May 13, 1997
- General Electric Company
- Joseph C. Borowiec
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronically controllable capacitors using power MOSFET's
- Patent number 5,600,187
- Issue date Feb 4, 1997
- General Electric Company
- Sayed-Amr El-Hamamsy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct stacked and flip chip power semiconductor device structures
- Patent number 5,532,512
- Issue date Jul 2, 1996
- General Electric Company
- Raymond A. Fillion
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modified valley fill high power factor correction ballast
- Patent number 5,517,086
- Issue date May 14, 1996
- General Electric Company
- Sayed-Amr El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-resonant boost high power factor circuit
- Patent number 5,488,269
- Issue date Jan 30, 1996
- General Electric Company
- Sayed-Amr El-Hamamsy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable frequency generator for resonant power feedback
- Patent number 5,481,161
- Issue date Jan 2, 1996
- General Electric Company
- Sayed-Amr El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Simulated load circuit for simulating the arc impedance of an elect...
- Patent number 5,479,102
- Issue date Dec 26, 1995
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- G01 - MEASURING TESTING
Information Patent Grant
Variable capacitor with very fine resolution
- Patent number 5,463,285
- Issue date Oct 31, 1995
- General Electric Company
- Sayed-Amr El-Hamamsy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Virtual fixture for reducing electromagnetic interaction between an...
- Patent number 5,461,284
- Issue date Oct 24, 1995
- General Electric Company
- Victor D. Roberts
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impedance matching circuit for an electrodeless fluorescent lamp ba...
- Patent number 5,446,350
- Issue date Aug 29, 1995
- General Electric Company
- Sayed-Amr El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Auto-starting system for an electrodeless high intensity discharge...
- Patent number 5,382,878
- Issue date Jan 17, 1995
- General Electric Company
- Michael M. Secen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for measuring the impedance of an electrodeless arc discharg...
- Patent number 5,332,970
- Issue date Jul 26, 1994
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- G01 - MEASURING TESTING
Information Patent Grant
Electrodeless fluorescent lamp shield for reduction of electromagne...
- Patent number 5,325,018
- Issue date Jun 28, 1994
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodeless high intensity discharge lamp
- Patent number 5,187,412
- Issue date Feb 16, 1993
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Low-inductance package for multiple paralleled devices operating at...
- Patent number 5,170,337
- Issue date Dec 8, 1992
- General Electric Company
- Joseph C. Borowiec
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrodeless high intensity discharge lamp excitation coil and bal...
- Patent number 5,153,484
- Issue date Oct 6, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Feedback system for stabilizing the arc discharge of a high intensi...
- Patent number 5,134,345
- Issue date Jul 28, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dual feedback control for a high-efficiency class-d power amplifier...
- Patent number 5,118,997
- Issue date Jun 2, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Starting circuit for an electrodeless high intensity discharge lamp
- Patent number 5,118,996
- Issue date Jun 2, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Efficient power supply post regulation
- Patent number 5,119,284
- Issue date Jun 2, 1992
- General Electric Company
- Rayette A. Fisher
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High-frequency current-viewing resistor
- Patent number 5,113,171
- Issue date May 12, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- G01 - MEASURING TESTING
Information Patent Grant
Shielded starting coil for an electrodeless high intensity discharg...
- Patent number 5,107,185
- Issue date Apr 21, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Starting aid for an electrodeless high intensity discharge lamp
- Patent number 5,084,654
- Issue date Jan 28, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid crystal variable capacitor and high intensity discharge lamp...
- Patent number 5,084,801
- Issue date Jan 28, 1992
- General Electric Company
- Sayed-Amr A. El-Hamamsy
- H01 - BASIC ELECTRIC ELEMENTS

Sayed A. El-Hamamsy

Person

Patents Grantslast 30 patents

Radio frequency coil for open magnetic resonance imaging system

Low noise MRI scanner

Method to automatically tune MRI RF coils

MRI magnet assembly with non-conductive inner wall

Method to automatically tune MRI RF coils

Solderless `fingerprint` RF shield

Accurate placement and retention of an amalgam in a electrodeless f...

Electronically controllable capacitors using power MOSFET's

Direct stacked and flip chip power semiconductor device structures

Modified valley fill high power factor correction ballast

Multi-resonant boost high power factor circuit

Variable frequency generator for resonant power feedback

Simulated load circuit for simulating the arc impedance of an elect...

Variable capacitor with very fine resolution

Virtual fixture for reducing electromagnetic interaction between an...

Impedance matching circuit for an electrodeless fluorescent lamp ba...

Auto-starting system for an electrodeless high intensity discharge...

Method for measuring the impedance of an electrodeless arc discharg...

Electrodeless fluorescent lamp shield for reduction of electromagne...

Electrodeless high intensity discharge lamp

Low-inductance package for multiple paralleled devices operating at...

Electrodeless high intensity discharge lamp excitation coil and bal...

Feedback system for stabilizing the arc discharge of a high intensi...

Dual feedback control for a high-efficiency class-d power amplifier...

Starting circuit for an electrodeless high intensity discharge lamp

Efficient power supply post regulation

High-frequency current-viewing resistor

Shielded starting coil for an electrodeless high intensity discharg...

Starting aid for an electrodeless high intensity discharge lamp

Liquid crystal variable capacitor and high intensity discharge lamp...