Inventor
Wolfgang Brox
Inventor
Heidelberg, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds18%
C09KMaterials for miscellaneous applications, not provided for elsewhere15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
G11BInformation storage based on relative movement between record carrier and transducer9%
H04BTransmission9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
G10LSpeech analysis techniques or speech synthesis6%
H04MTelephonic communication6%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
PatentTitleYear
7,813,497'Echo canceller with interference-level controlled step size'20107,535,859'Voice activity detection with adaptive noise floor tracking'20096,846,965'Method for the oligomerization of C2 C8-olefins'20056,737,555'Method for oligomerizing C6-olefins'20046,362,386'Method and device for obtaining isobutenes from conjugated hydrocarbons'20025,854,814'Digital transmission system with improved decoder in the receiver'19985,455,325'Optically active phenoxypropionic esters'19955,350,873'Optically active phenoxypropionic esters'19945,212,027'Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on'19935,204,362'Fungicidal azolylethane derivatives'19935,187,248'Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on'19935,187,298'Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on'19935,103,060'Compounds which are ethylenically unsaturated in the terminal position, and the use thereof in nonlinear optics'19924,998,241'Echo canceller'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1998Patents assigned to PHILIPS CORP (2)· patent assignee history
1991–2010Based in Kalchreuth, DE· patent location history
1992–2005Patents assigned to BASF AG (10)· patent assignee history
1992–2005Based in Heidelberg, DE· patent location history
2009Patents assigned to NXP BV (1)· patent assignee history
2010Patents assigned to ST ERICSSON SA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 10 | 1992–2005 |
| PHILIPS CORP | 2 | 1991–1998 |
| NXP BV | 1 | 2009 |
| ST ERICSSON SA | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Heidelberg, DE | 10 | 1992–2005 |
| Kalchreuth, DE | 4 | 1991–2010 |