Inventor
Gunther H. Derra
Inventor
Aachen, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating23%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H01JElectric discharge tubes or discharge lamps9%
H05GX-ray technique9%
B82YSpecific uses or applications of nanostructures5%
G02BOptical elements, systems or apparatus5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
H05HPlasma technique5%
PatentTitleYear
8,873,021'Debris mitigation system with improved gas distribution'20147,809,112'Method and device for generating EUV radiation and/or soft X-ray radiation'20107,732,789'Optical system having a cleaning arrangement'20107,518,300'Method and device for the generation of a plasma through electric discharge in a discharge space'20096,586,892'Method of and device for operating a gas discharge lamp'20036,380,679'Short-arc discharge lamp with a starting antenna'20026,239,556'Long life discharge lamp operating circuit with reduced lamp flicker'20016,232,725'Circuit arrangement for operating a high-pressure discharge lamp'20015,997,143'Optical projection devices including a lens plate integrator'19995,689,156'Circuit arrangement for detecting the amount of deposited electrode material on the wall of a lamp vessel'19975,608,294'High pressure lamp operating circuit with suppression of lamp flicker'19975,262,701'Circuit arrangement for operating a high pressure sodium lamp'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2002Patents assigned to PHILIPS CORP (7)· patent assignee history
1993Based in Grevenbroich, DE· patent location history
1997–2014Based in Aachen, DE· patent location history
2003–2010Patents assigned to KONINKL PHILIPS ELECTRONICS NV (4)· patent assignee history
2014Patents assigned to DERRA GUNTHER HANS (1)· patent assignee history
2014Patents assigned to KONINKL PHILIPS NV (1)· patent assignee history
2014Patents assigned to KRUCKEN THOMAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 7 | 1993–2002 |
| KONINKL PHILIPS ELECTRONICS NV | 4 | 2003–2010 |
| DERRA GUNTHER HANSself | 1 | 2014 |
| KONINKL PHILIPS NV | 1 | 2014 |
| KRUCKEN THOMAS | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aachen, DE | 11 | 1997–2014 |
| Grevenbroich, DE | 1 | 1993 |