Inventor
Joachim Steffen
Inventor
Westhausen, DE
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus44%
A61BDiagnosis34%
A61FFilters implantable into blood vessels5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G06TImage data processing or generation, in general5%
G01BMeasuring length, thickness or similar linear dimensions2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
10,945,586Method for operating a visualization system for providing endoscopic images202110,842,374Operating microscope202010,750,944Eye surgery visualization system202010,413,159Visualization system for providing endoscopic images and method for operation the same201910,092,179System for optical coherence tomography, comprising a zoomable kepler system20189,912,917'Visualization apparatus for a surgical site'20189,788,718'Surgical microscope'20179,727,962'System for visualizing tissue in a surgical region'20179,279,974'Microscopy system and method'20168,659,651'Surgical microscope for observing an infrared fluorescence and corresponding method'20148,520,303'Surgical microscope having an illuminating system and control unit therefor'20138,306,600'Filter set for observing fluorescence radiation in biological tissue'20128,154,797'Surgical microscope for use in surgical procedures including neurosurgery'20128,040,599'Microscope system'20117,933,066'Surgical microscope having an illuminating arrangement'20117,846,086'Device holding apparatus'20107,688,503'Microscopy system and microscopy method for plural observers'20107,468,835'Microscopy system and method'20085,973,829'Illuminating arrangement for a surgical microscope'19995,838,491'Viewing apparatus having oblique illumination'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2010Patents assigned to ZEISS STIFTUNG (3)· patent assignee history
1998–2021Based in Westhausen, DE· patent location history
2008–2011Patents assigned to ZEISS CARL SURGICAL GMBH (3)· patent assignee history
2012–2021Patents assigned to ZEISS CARL MEDITEC AG (12)· patent assignee history
2012–2016Patents assigned to STEFFEN JOACHIM (5)· patent assignee history
2012–2016Patents assigned to RUDOLPH FRANK (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZEISS CARL MEDITEC AG | 12 | 2012–2021 |
| STEFFEN JOACHIMself | 5 | 2012–2016 |
| ZEISS CARL SURGICAL GMBH | 3 | 2008–2011 |
| ZEISS STIFTUNG | 3 | 1998–2010 |
| RUDOLPH FRANK | 2 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westhausen, DE | 20 | 1998–2021 |