Inventor

Johann Ramchen

Inventor
Altdorf, DE

Overview

13→
Patents
2014–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H01Lprimary
H01LSemiconductor devices28%
H10HInorganic light-emitting semiconductor devices having potential barriers28%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation15%
F21KNon-electric light sources using luminescence2%
F21VFunctional features or details of lighting devices or systems thereof2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2019Patents assigned to OSRAM OPTO SEMICONDUCTORS GMBH (13)· patent assignee history
2014–2017Patents assigned to RAMCHEN JOHANN (11)· patent assignee history
2014–2015Patents assigned to BARCHMANN BERND (3)· patent assignee history
2014–2015Patents assigned to KALTENBACHER AXEL (3)· patent assignee history
2014–2015Patents assigned to WEGLEITER WALTER (3)· patent assignee history
2014–2019Based in Altdorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSRAM OPTO SEMICONDUCTORS GMBH132014–2019
RAMCHEN JOHANNself112014–2017
BARCHMANN BERND32014–2015
KALTENBACHER AXEL32014–2015
WEGLEITER WALTER32014–2015
Locations
LocationPatentsSpan
Altdorf, DE132014–2019