Inventor
Ralf Preu
Inventor
Freiburg, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%
H01LSemiconductor devices17%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C23CCoating metallic material4%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
PatentTitleYear
9,087,940'Photovoltaic solar cell and method for producing a photovoltaic solar cell'20159,023,682'Method for producing a photovoltaic solar cell'20158,927,317'Method for producing a selective doping structure in a semiconductor substrate in order to produce a photovoltaic solar cell'20158,828,790'Method for local contacting and local doping of a semiconductor layer'20148,586,402'Method for the precision processing of substrates'20136,982,218'Method of producing a semiconductor-metal contact through a dielectric layer'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2015Patents assigned to FRAUNHOFER GES FORSCHUNG (6)· patent assignee history
2006–2015Based in Freiburg, DE· patent location history
2013–2015Patents assigned to PREU RALF (5)· patent assignee history
2013–2014Patents assigned to GROHE ANDREAS (2)· patent assignee history
2014–2015Patents assigned to BIRO DANIEL (4)· patent assignee history
2014–2015Patents assigned to WOLF ANDREAS (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FRAUNHOFER GES FORSCHUNG | 6 | 2006–2015 |
| PREU RALFself | 5 | 2013–2015 |
| BIRO DANIEL | 4 | 2014–2015 |
| WOLF ANDREAS | 4 | 2014–2015 |
| GROHE ANDREAS | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freiburg, DE | 6 | 2006–2015 |