Inventor
Jurgen Waldmann
Inventor
Schonaich, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein36%
B23PMetal-working not otherwise provided for9%
D05BSewing9%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting9%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges9%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
H01JElectric discharge tubes or discharge lamps9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
7,439,662'Lamp with single-sided socket'20085,561,540'Liquid crystal display'19965,120,623'Method of producing a substrate plate for a liquid crystal cell with black matrix areas'19925,102,685'Method and jig for LCD-production'19925,071,228'Black-white liquid crystal display having an insulation layer for blocking the diffusion of sodium ions from the glass of the cell plate to the polyphenylene of the orientation layer'19914,742,789'Method and apparatus for regulation of seam shape'19884,267,216'Method for protecting power connected machine part pairs from friction corrosion'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to DEMAG AG MANNESMANN (1)· patent assignee history
1981Based in Duisberg, DE· patent location history
1988Patents assigned to TEXTIMA VEB K (1)· patent assignee history
1988–2008Based in Berlin, DE· patent location history
1991–1992Patents assigned to NOKIA UNTERHALTUNGSELEKTRONIK (3)· patent assignee history
1991–1996Based in Schonaich, DE· patent location history
1996Patents assigned to NOKIA TECHNOLOGY GMBH (1)· patent assignee history
2008Patents assigned to PATENT TREWHAND GES FUER ELEK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOKIA UNTERHALTUNGSELEKTRONIK | 3 | 1991–1992 |
| DEMAG AG MANNESMANN | 1 | 1981 |
| NOKIA TECHNOLOGY GMBH | 1 | 1996 |
| PATENT TREWHAND GES FUER ELEK | 1 | 2008 |
| TEXTIMA VEB K | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schonaich, DE | 4 | 1991–1996 |
| Berlin, DE | 2 | 1988–2008 |
| Duisberg, DE | 1 | 1981 |