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Inventor

Wolfram Hempel

Inventor
Leutenbach, DE

Overview

4→
Patents
2009–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
H10HInorganic light-emitting semiconductor devices having potential barriers25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
H01JElectric discharge tubes or discharge lamps8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
9,109,161'Illuminant and light source containing the same, and method for producing said illuminant'20158,808,577'Thermally stable oxynitride phosphor and light source comprising such a phosphor'20147,791,265'Red-emitting luminescent substance and light source comprising such a luminescent substance'20107,489,073'Blue to yellow-orange emitting phosphor, and light source having such a phosphor'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Based in Germering, DE· patent location history
2010–2014Patents assigned to OSRAM GMBH (2)· patent assignee history
2010–2015Based in Leutenbach, DE· patent location history
2014–2015Patents assigned to BECKER DANIEL (2)· patent assignee history
2014–2015Patents assigned to HEMPEL WOLFRAM (2)· patent assignee history
2014–2015Patents assigned to JERMANN FRANK (2)· patent assignee history
2015Patents assigned to FIEDLER TIM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECKER DANIEL22014–2015
HEMPEL WOLFRAMself22014–2015
JERMANN FRANK22014–2015
OSRAM GMBH22010–2014
FIEDLER TIM12015
Locations
LocationPatentsSpan
Leutenbach, DE32010–2015
Germering, DE12009