Inventor
Christof Schwarzfischer
Inventor
Wackersberg, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating50%
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 systems25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
PatentTitleYear
10,251,227Clocked electronic energy converter201910,219,334Circuit arrangement for operating semiconductor light sources20199,967,931Clocked electronic energy converter20188,754,652'Method for ascertaining a type of a gas discharge lamp and electronic ballast for operating at least two different types of gas discharge lamps'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2019Patents assigned to OSRAM GMBH (4)· patent assignee history
2014Patents assigned to MAYER SIEGFRIED (1)· patent assignee history
2014Patents assigned to SCHWARZFISCHER CHRISTOF (1)· patent assignee history
2014Based in Freudenberg-Oberfischbach, DE· patent location history
2018–2019Based in Wackersberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM GMBH | 4 | 2014–2019 |
| MAYER SIEGFRIED | 1 | 2014 |
| SCHWARZFISCHER CHRISTOFself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wackersberg, DE | 3 | 2018–2019 |
| Freudenberg-Oberfischbach, DE | 1 | 2014 |