Inventor
István Károly Deme
Inventor
Budapest, HU
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
A61LMethods or apparatus for sterilising materials or objects in general6%
C03CChemical composition of glasses, glazes or vitreous enamels6%
F21VFunctional features or details of lighting devices or systems thereof6%
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 emitted6%
F24FAir-conditioning6%
H01HElectric switches6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
PatentTitleYear
8,941,292'Lamp with enhanced chroma and color preference'20158,746,929'Device with combined features of lighting and air purification'20148,629,608'Fluorescent lamp of improved lumen maintenance and mercury consumption'20148,324,793'Rare earth doped luminescent material'20128,294,353'Lighting apparatus having barrier coating for reduced mercury depletion'20127,786,661'Emissive electrode materials for electric lamps and methods of making'20107,737,639'Fluorescent lamps having desirable mercury consumption and lumen run-up times'20107,427,829'Fluorescent lamp having improved barrier layer'20086,369,502'Low pressure mercury vapor discharge lamp with doped phosphor coating'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2015Patents assigned to GEN ELECTRIC (8)· patent assignee history
2002–2015Based in Budapest, HU· patent location history
2012–2014Patents assigned to DEME ISTVAN KAROLY (3)· patent assignee history
2012Patents assigned to ADDEPALLI SWARNAGOWRI (1)· patent assignee history
2012Patents assigned to BALAZS LASZLO (1)· patent assignee history
2012Patents assigned to BEERS WILLIAM WINDER (1)· patent assignee history
2012Based in Budapset, HU· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 8 | 2002–2015 |
| DEME ISTVAN KAROLYself | 3 | 2012–2014 |
| ADDEPALLI SWARNAGOWRI | 1 | 2012 |
| BALAZS LASZLO | 1 | 2012 |
| BEERS WILLIAM WINDER | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Budapest, HU | 8 | 2002–2015 |
| Budapset, HU | 1 | 2012 |