Inventor
Ralph Krupke
Inventor
Stutensee, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B82Yprimary
B82YSpecific uses or applications of nanostructures21%
H10KOrganic electric solid-state devices21%
H10DInorganic electric semiconductor devices17%
H01LSemiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
C01BNon-metallic elements4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
PatentTitleYear
9,412,815'Solution-assisted carbon nanotube placement with graphene electrodes'20168,987,705'Carbon nanotube transistor employing embedded electrodes'20158,859,439'Solution-assisted carbon nanotube placement with graphene electrodes'20148,629,010'Carbon nanotube transistor employing embedded electrodes'20148,610,989'Optoelectronic device employing a microcavity including a two-dimensional carbon lattice structure'20137,161,107'Method, arrangement and use of an arrangement for separating metallic carbon nanotubes from semi-conducting carbon nanotubes'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2016Based in Stutensee, DE· patent location history
2013–2016Patents assigned to IBM (5)· patent assignee history
2013–2015Patents assigned to KARLSRUHER INST TECHNOLOGIE (3)· patent assignee history
2013–2014Patents assigned to AVOURIS PHAEDON (2)· patent assignee history
2013–2014Patents assigned to KRUPKE RALPH (2)· patent assignee history
2013–2014Patents assigned to STEINER MATHIAS B (2)· patent assignee history
2013Based in Stuttensee, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 5 | 2013–2016 |
| KARLSRUHER INST TECHNOLOGIE | 3 | 2013–2015 |
| AVOURIS PHAEDON | 2 | 2013–2014 |
| KRUPKE RALPHself | 2 | 2013–2014 |
| STEINER MATHIAS B | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stutensee, DE | 5 | 2007–2016 |
| Stuttensee, DE | 1 | 2013 |