Inventor
Stefan Hadrath
Inventor
Falkensee, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices17%
F21VFunctional features or details of lighting devices or systems thereof17%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted17%
F21KNon-electric light sources using luminescence11%
G02BOptical elements, systems or apparatus11%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G01MTesting static or dynamic balance of machines or structures3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
PatentTitleYear
10,704,755Lighting apparatus202010,440,335Treatment of light by means of an optical device201910,436,714Detecting damage to a converter device201910,386,033Lighting apparatus201910,203,079Lighting apparatus with conversion device201910,132,458Lighting device having a lighting unit20189,677,720'Lighting device comprising a wavelength conversion arrangement'20179,249,951'Lens having an internal reflection layer'2016D0736986'Reflector of lamp'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2020Patents assigned to OSRAM GMBH (9)· patent assignee history
2015–2020Based in Falkensee, DE· patent location history
2020Patents assigned to OSRAM BETEILIGUNGSVERWALTUNG GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM GMBH | 9 | 2015–2020 |
| OSRAM BETEILIGUNGSVERWALTUNG GMBH | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Falkensee, DE | 9 | 2015–2020 |