Inventor
Siegfried Aftergut
Inventor
Schenectady, NY, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere32%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments19%
H01CResistors9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
H01BCables4%
C08LCompositions of macromolecular compounds2%
G03CPhotosensitive materials for photographic purposes2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
PatentTitleYear
6,366,193'Current limiting device and materials for a current limiting device'20026,290,879'Current limiting device and materials for a current limiting device'20016,133,820'Current limiting device having a web structure'20006,124,780'Current limiting device and materials for a current limiting device'20005,707,880'Hermetically sealed radiation imager'19985,641,984'Hermetically sealed radiation imager'19975,517,031'Solid state imager with opaque layer'19965,130,263'Method for photolithographically forming a selfaligned mask using back-side exposure and a non-specular reflecting layer'19925,091,466'Insolubilization of soluble pre-imidized polyimides by polyhydrazine compounds'19924,581,608'Multi-color liquid crystal display and system'19864,411,812'Dichroic liquid crystal compositions made with asymmetric tris-azo dyes'19834,378,302'Red perylene dichroic dye containing liquid crystal formulations'19834,359,398'Liquid crystal compositions with novel tris-azo dichroic dyes'19824,350,603'Novel tris-azo dyes and liquid crystal compositions made therewith'19824,315,668'Permeation barrier for display cells'19824,308,161'Novel yellow azo dyes and dichroic liquid crystal compositions made therewith'19814,308,163'Novel yellow azo dyes and dichroic liquid crystal composition made therewith'19814,308,162'Novel yellow azo dyes and dichroic liquid crystal compositions made therewith'19814,308,164'Novel yellow azo dyes and dichroic liquid crystal composition made therewith'19814,179,395'Dichroic dyes having a plurality of azo bonding groups'19794,143,947'Method for improving the response time of a display device utilizing a twisted nematic liquid crystal composition'19794,128,496'Dichroic liquid crystal compositions'19784,128,497'Dichroic liquid crystal compositions'19784,122,027'Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes'19784,116,861'Dichroic liquid crystal compositions'19783,983,049'Liquid crystal compositions with positive dielectric anisotropy'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2002Patents assigned to GEN ELECTRIC (26)· patent assignee history
1976–2000Based in Schenectady, NY, US· patent location history
2001–2002Based in New Haven, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 26 | 1976–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schenectady, New York, US | 24 | 1976–2000 |
| New Haven, CT, US | 2 | 2001–2002 |