Inventor

Stefan Groetsch

Inventor
Lengfeld-Bad Abbach, DE

Overview

26→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers19%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1016%
H01LSemiconductor devices13%
G02BOptical elements, systems or apparatus7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
F21SNon-portable lighting devices6%
H05KPrinted circuits5%
F21VFunctional features or details of lighting devices or systems thereof4%
F21KNon-electric light sources using luminescence2%
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 emitted2%
PatentTitleYear
11,133,446Optoelectronic component202110,775,012Pixel light source202010,672,749Light source comprising a number of semi-conductor components202010,468,317Electronic component and method for producing an electronic component201910,147,683Method and apparatus that processes an optoelectronic component20189,997,559Optoelectronic semiconductor component20189,763,330'Circuit board, optoelectronic component and arrangement of optoelectronic components'20179,551,479'Method for producing an illuminant'20179,307,647'Electronic device'20169,255,702'LED lighting module for vehicle headlight'20169,190,394'LED module'20158,855,155'Semiconductor laser light source'20148,754,427'Lens arrangement and LED display device'20148,664,847'Arrangement and method for generating mixed light'20148,646,990'Optoelectronic module and optoelectronic arrangement'20148,562,142'Projector for micro projection surfaces and use of a multicolour LED in a projector'20138,519,633'Method for producing a control device for operating a radiation-emitting semiconductor component'20138,502,252'Optoelectronic component, and method for the production of an optoelectronic component'20138,283,684'LED semiconductor body and use of an LED semiconductor body'20128,203,160'LED semiconductor body and use of an LED semiconductor body'20127,723,730'Carrier layer for a semiconductor layer sequence and method for producing semiconductor chips'20107,567,597'Semiconductor device with a cooling element'20096,778,576'Encapsulated illumination unit'20046,254,287'Laser component with a laser array and method for manufacturing the component'20016,240,232'Process for the production of a waveguide beam converter'20015,808,323'Microoptical device with mirrors'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2004Patents assigned to SIEMENS AG (4)· patent assignee history
1998–2009Based in Regensburg, DE· patent location history
2010–2019Patents assigned to OSRAM OPTO SEMICONDUCTORS GMBH (16)· patent assignee history
2010–2018Based in Lengfeld-Bad Abbach, DE· patent location history
2012–2016Patents assigned to GROETSCH STEFAN (9)· patent assignee history
2012–2014Patents assigned to BOGNER GEORG (2)· patent assignee history
2015–2021Based in Bad Abbach, DE· patent location history
2020–2021Patents assigned to OSRAM OLED GMBH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSRAM OPTO SEMICONDUCTORS GMBH162010–2019
GROETSCH STEFANself92012–2016
SIEMENS AG41998–2004
OSRAM OLED GMBH32020–2021
BOGNER GEORG22012–2014
Locations
LocationPatentsSpan
Lengfeld-Bad Abbach, DE122010–2018
Bad Abbach, DE92015–2021
Regensburg, DE51998–2009