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Ludwig Leipold
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Munchen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Circuit configuration for driving a semiconductor switching element...
Patent number
6,774,682
Issue date
Aug 10, 2004
Infineon Technologies AG
Thomas Theobald
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and timing circuit for generating a switching or control signal
Patent number
6,734,676
Issue date
May 11, 2004
Infineon Technologies AG
Ludwig Leipold
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Circuit configuration for driving an ignition coil
Patent number
6,310,331
Issue date
Oct 30, 2001
Infineon Technologies AG
Paul Nance
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for fabricating direct wafer bond Si/SiO.sub.2 /Si substrates
Patent number
6,156,621
Issue date
Dec 5, 2000
Infineon Technologies AG
Paul Nance
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated power semiconductor component having a substrate with a...
Patent number
5,726,478
Issue date
Mar 10, 1998
Siemens Aktiengesellschaft
Josef-Matthias Gantioler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated comparator circuit
Patent number
5,434,521
Issue date
Jul 18, 1995
Siemens Aktiengesellschaft
Ludwig Leipold
G01 - MEASURING TESTING
Information
Patent Grant
Drive circuit for a power MOSFET with load at the source side
Patent number
5,371,418
Issue date
Dec 6, 1994
Siemens Aktiengesellschaft
Ludwig Leipold
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit limiting the load current of a power MOSFET
Patent number
5,272,399
Issue date
Dec 21, 1993
Siemens Aktiengesellschaft
Jenoe Tihanyi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for detecting the failure of a load which is connected in s...
Patent number
5,266,840
Issue date
Nov 30, 1993
Siemens Aktiengesellschaft
Ludwig Leipold
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Gate-source protective circuit for a power MOSFET
Patent number
5,172,290
Issue date
Dec 15, 1992
Siemens Aktiengesellschaft
Ludwig Leipold
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
MOSFET switch circuit for preventing the switch being turned on dur...
Patent number
5,160,862
Issue date
Nov 3, 1992
Siemens Aktiengesellschaft
Ludwig Leipold
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuitry for detecting a short circuit of a load in series with an...
Patent number
5,086,364
Issue date
Feb 4, 1992
Siemens Aktiengesellschaft
Ludwig Leipold
G01 - MEASURING TESTING
Information
Patent Grant
Power MOSFET with current-monitoring
Patent number
5,029,322
Issue date
Jul 2, 1991
Siemens Aktiengesellschaft
Josef Einzinger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit arrangement for controlling the load current in a power MOSFET
Patent number
4,952,827
Issue date
Aug 28, 1990
Siemens Aktiengellschaft
Ludwig Leipold
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor component with power MOSFET and control circuit
Patent number
4,947,234
Issue date
Aug 7, 1990
Siemens Aktiengesellschaft
Josef Einzinger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit configuration for monitoring a semiconductor structural ele...
Patent number
4,875,131
Issue date
Oct 17, 1989
Siemens Aktiengesellschaft
Ludwig Leipold
G01 - MEASURING TESTING
Information
Patent Grant
Overtemperature detection of power semiconductor components
Patent number
4,730,228
Issue date
Mar 8, 1988
Siemens Aktiengesellschaft
Josef Einzinger
G01 - MEASURING TESTING
Information
Patent Grant
MOSFET switch with inductive load
Patent number
4,728,826
Issue date
Mar 1, 1988
Siemens Aktiengesellschaft
Josef Einzinger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Drive circuit for a power MOSFET with source-side load
Patent number
4,691,129
Issue date
Sep 1, 1987
Siemens Aktiengesellschaft
Josef Einzinger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement comprising a phototransistor
Patent number
4,688,071
Issue date
Aug 18, 1987
Siemens Aktiengesellschaft
Jenoe Tihanyi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High voltage MOSFET switch
Patent number
4,677,325
Issue date
Jun 30, 1987
Siemens Aktiengesellschaft
Josef Einzinger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor component with planar structure
Patent number
4,633,292
Issue date
Dec 30, 1986
Siemens Aktiengesellschaft
Christine Fellinger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit arrangement for drive of a thyristor with light
Patent number
4,578,595
Issue date
Mar 25, 1986
Siemens Aktiengesellschaft
Jeno Tihanyi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement for driving a thyristor with a phototransistor
Patent number
4,578,596
Issue date
Mar 25, 1986
Siemens Aktiengesellschaft
Jenoe Tihanyi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
FET Controlled thyristor
Patent number
4,502,070
Issue date
Feb 26, 1985
Siemens Aktiengesellschaft
Ludwig Leipold
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithically integrated circuit of high dielectric strength for e...
Patent number
4,339,668
Issue date
Jul 13, 1982
Siemens Aktiengesellschaft
Ruediger Mueller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated current supply circuit
Patent number
4,174,535
Issue date
Nov 13, 1979
Siemens Aktiengesellschaft
Ruediger Mueller
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Circuit configuration for driving a semiconductor switching element...
Publication number
20020093372
Publication date
Jul 18, 2002
Thomas Theobald
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and timing circuit for generating a switching or control signal
Publication number
20020075014
Publication date
Jun 20, 2002
Ludwig Leipold
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS