Inventor
Michael Herfurth
Inventor
Gilching, DE
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems29%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications26%
H05BElectric heating19%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G01RMeasuring electric variables3%
G05FSystems for regulating electric or magnetic variables3%
H02HEmergency protective circuit arrangements3%
H03KPulse technique3%
H10NElectric solid-state devices not otherwise provided for2%
PatentTitleYear
10,148,175System and method for a switched-mode power supply20189,991,791System and method for a switched-mode power supply20189,793,796'Driver controller with AC-adapted and DC-adapted control modes'20179,763,289'System and method for a switched-mode power supply'20179,699,848'System and method for a switched-mode power supply'20179,602,018'Power converter with reduced power consumption in standby mode'20179,590,507'Auxiliary supply for a switched-mode power supply controller using bang-bang regulation'20179,537,386'Driver controller with internally calculated average output current'20178,525,429'Method for controlling gas discharge lamps'20138,378,590'Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast'20138,022,637'Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast'20117,969,754'Control circuit for a switch unit of a clocked power supply circuit, and resonance converter'20117,834,552'Controlling a lamp ballast'20107,812,612'Method and apparatus for monitoring the operation of a gas discharge lamp'20107,746,671'Control circuit for a switch unit of a clocked power supply circuit, and resonance converter'20107,683,595'Method for actuation, and actuating circuit for a switch in a power factor correction circuit'20107,560,873'Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast'20097,397,678'Method for driving a switch that controls current drawn in a power factor correction circuit and a drive circuit therefor'20087,378,807'Drive circuit for a fluorescent lamp with a diagnosis circuit, and method for diagnosis of a fluorescent lamp'20087,135,845'Drive circuit for a switch in a switching converter and method for driving a switch in a switching converter'20066,995,467'Semiconductor component'20066,894,421'Circuit configuration and, in particular, a switch-mode power supply'20056,806,694'Switching regulator with dynamic current limiting and drive circuit for the switching regulator'20045,982,642'Pulsed power supply of switched-mode power supplies'19995,596,264'Circuit configuration for limiting the output voltage of a clocked voltage regulator'19975,594,323'Control process for a voltage transformer with a wide input voltage range and the application of such a process'19975,386,187'Method for anticipatory control of a switched-mode power supply for compensating for fluctuations in feed voltage and circuit configuration for performing the method'19955,049,790'Method and apparatus for operating at least one gas discharge lamp'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1999Patents assigned to SIEMENS AG (5)· patent assignee history
1991–2018Based in Gilching, DE· patent location history
2004–2013Patents assigned to INFINEON TECHNOLOGIES AG (11)· patent assignee history
2010Patents assigned to INFINEON TECHNOLOGIES AUSTRIA (3)· patent assignee history
2013–2017Patents assigned to HERFURTH MICHAEL (3)· patent assignee history
2017–2018Patents assigned to INFINEON TECHNOLOGIES AUSTRIA AG (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INFINEON TECHNOLOGIES AG | 11 | 2004–2013 |
| INFINEON TECHNOLOGIES AUSTRIA AG | 8 | 2017–2018 |
| SIEMENS AG | 5 | 1991–1999 |
| HERFURTH MICHAELself | 3 | 2013–2017 |
| INFINEON TECHNOLOGIES AUSTRIA | 3 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gilching, DE | 28 | 1991–2018 |