Inventor
Christian Kalkschmidt
Inventor
Aachen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating45%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications27%
G01RMeasuring electric variables18%
H02HEmergency protective circuit arrangements9%
PatentTitleYear
9,900,939'LED driver, lighting system and driving method with prolonged lifetime of luminous output'20189,750,109'Detection of a hazard condition of a load'20179,723,685'Short detection circuit for an LED driver and short detection method'20179,173,268'Current determination apparatus'20159,161,416'Method for adjusting a color point of light emitted from an organic light emitting diode OLED'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to KONINKL PHILIPS NV (2)· patent assignee history
2015Patents assigned to HENTE DIRK (1)· patent assignee history
2015Patents assigned to JACOBS JOSEPH HENDRIK ANNA MARIA (1)· patent assignee history
2015Patents assigned to KALKSCHMIDT CHRISTIAN (1)· patent assignee history
2015–2018Based in Aachen, DE· patent location history
2017Patents assigned to OLEDWORKS GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONINKL PHILIPS NV | 2 | 2015 |
| OLEDWORKS GMBH | 2 | 2017 |
| HENTE DIRK | 1 | 2015 |
| JACOBS JOSEPH HENDRIK ANNA MARIA | 1 | 2015 |
| KALKSCHMIDT CHRISTIANself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aachen, DE | 5 | 2015–2018 |