Inventor
Hans-Joachim Vedder
Inventor
Puchheim, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer19%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%
B82YSpecific uses or applications of nanostructures12%
G06KGraphical data reading12%
G11CStatic stores12%
G02BOptical elements, systems or apparatus8%
B41JTypewriters4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
PatentTitleYear
7,214,752'Homopolymers which exhibit a high level of photo-inducable birefringence'20076,875,833'Monomers and homopolymers, having high photoinduceable double refraction, prepared therefrom'20056,441,113'Homopolymers with high photoinduceable double refraction'20026,423,799'Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction'20025,303,000'Method of and apparatus for ascertaining the characteristics of shorter and longer sections of photographic material'19945,030,970'Microfilm printer with microvalue pixel generation'19915,012,464'Computer-controlled laser imaging system with automatic beam start at line beginning'19914,953,927'Lens assembly for long-life laser imaging system'19904,903,042'Method of and apparatus for making thermocopies'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to AGFA GEVAERT AG (5)· patent assignee history
1990–2007Based in Puchheim, DE· patent location history
2002–2005Patents assigned to BAYER AG (3)· patent assignee history
2007Patents assigned to BAYER MATERIALSCIENCE AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGFA GEVAERT AG | 5 | 1990–1994 |
| BAYER AG | 3 | 2002–2005 |
| BAYER MATERIALSCIENCE AG | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Puchheim, DE | 9 | 1990–2007 |