Inventor
Holger Karstensen
Inventor
Hohenbrunn, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
G11CStatic stores7%
H01RElectrically-conductive connections7%
H01TSpark gaps7%
H02HEmergency protective circuit arrangements7%
H04BTransmission7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,022,799'Coaxial radiofrequency connector'20158,625,247'Protective circuit for the input-side protection of an electronic device operating in the maximum frequency range'20145,923,451'Means for connecting electronic devices for communication with one another'19995,712,730'Diffractive optical device for the optical imaging of a spatial point onto other spatial points'19985,416,624'Bidirectional optical transmission and reception arrangement'19955,066,090'Optical coupling element having a convex microlens and the method of manufacture'19914,889,401'Birefringent optical waveguide structure having a strip waveguide buried in a cladding layer and the method of manufacturing'19894,871,224'Device for optical connections of one or more optical emitters with one or more optical detectors of one or more integrated circuits'19894,830,454'Spherical planoconvex lens for optically coupling a semiconductor laser to an optical waveguide'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Patents assigned to SIEMENS AG (7)· patent assignee history
1989Based in Munich, DE· patent location history
1991–1999Based in Hohenbrunn, DE· patent location history
2014–2015Patents assigned to KARSTENSEN HOLGER (2)· patent assignee history
2014Patents assigned to FELBIER FRANK (1)· patent assignee history
2014Patents assigned to GOEBEL UHLAND (1)· patent assignee history
2014Based in Volketswil, CH· patent location history
2015Patents assigned to FUCHS JOSEF (1)· patent assignee history
2015Based in Rorschach, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS AG | 7 | 1989–1999 |
| KARSTENSEN HOLGERself | 2 | 2014–2015 |
| FELBIER FRANK | 1 | 2014 |
| FUCHS JOSEF | 1 | 2015 |
| GOEBEL UHLAND | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hohenbrunn, DE | 4 | 1991–1999 |
| Munich, DE | 3 | 1989 |
| Rorschach, CH | 1 | 2015 |
| Volketswil, CH | 1 | 2014 |