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The Trustees of Columbia University Patents
Assignee:
The Trustees of Columbia University
Address:
New York, NY
No. of patents:
38
Patents:




Patent Number Title Of Patent Date Issued
7479907 Multichannel time encoding and decoding of a signal January 20, 2009
Analog signals can be fully encoded as an asynchronous time sequence generated by a time encoding machine. With knowledge of the parameters of the time encoding machine, the asynchronous time sequence can be decoded using a non-linear time decoding machine. Such a system can be extended
7428547 System and method of organizing data to facilitate access and streaming September 23, 2008
File formats systems and methods are disclosed that provide a framework that integrates concepts, such as objects based audio-visual representation, meta-data and object oriented programming, to achieve a flexible and generic representation of the audiovisual information and the asso
7401041 Systems and methods for providing robust investment portfolios July 15, 2008
Robust methods for determining an investment portfolio are based on investment parameters which are assumed to be error bounded rather than precisely known values. A confidence threshold is input based on the measure of confidence in the resulting worst-case portfolio performance tha
7293613 Logging-while-coring method and apparatus November 13, 2007
A method and apparatus for downhole coring while receiving logging-while-drilling tool data. The apparatus includes core collar and a retrievable core barrel. The retrievable core barrel receives core from a borehole which is sent to the surface for analysis via wireline and latching
7219091 Method and system for pattern matching having holistic twig joins May 15, 2007
A method of query pattern matching uses a chain of linked stacks to compactly represent partial results to root-to-leaf query paths, which are then composed to obtain matches for the twig pattern.
7103930 Device for the calibration and standardization of hip rotation September 12, 2006
The present invention concerns a device for the calibration and standardization of the rotation and movement of a patient's hip. More particularly the present invention relates to a device for the calibration and standardization of the rotation and movement of the hip for use in conn
6941325 Multimedia archive description scheme September 6, 2005
A multimedia archive description scheme is provided for characterizing a multimedia archive having records and associated record descriptions. The multimedia archive description scheme provides a data structure which relates records by similarity measures. The principle data structure in
6911205 Stabilized soluble glycoprotein trimers June 28, 2005
The present application is directed to stabilized HIV envelope glycoprotein trimers. The trimers are stabilized by introducing trimeric motifs, preferably the GCN4 coiled coil or the fibritin trimeric domain at certain sites, for example in the gp41 ectodomain. These stabilized trimers o
6850092 Low latency FIFO circuits for mixed asynchronous and synchronous systems February 1, 2005
A FIFO design interfaces a sender subsystem and a receiver subsystem operating on different time domains. The sender subsystem and the receiver subsystem may be synchronous or asynchronous. The FIFO circuit includes a put interface configured to operate in accordance with the sender time
6751623 Flexible interchange of coded multimedia facilitating access and streaming June 15, 2004
A fundamental limitation in the exchange of audiovisual information today is that its representation is extremely low level. It is composed of coded video or audio samples (often as blocks) arranged in a commercial format. In contrast, the new generation multimedia requires flexible form
6667175 Generation of antigen specific T suppressor cells for treatment of rejection December 23, 2003
This invention provides a method of generating antigen specific allospecific human suppressor CD8+CD28- T cells. This invention also provides a method of generating xenospecific human suppressor CD8+CD28- T cells. This invention further provides a method of generating allopeptide ant
6563077 System for providing a continuous motion sequential lateral solidification May 13, 2003
A method and system for processing an amorphous silicon thin film sample to produce a large grained, grain boundary-controlled silicon thin film. The film sample includes a first edge and a second edge. In particular, using this method and system, an excimer laser is used to provide a pu
6408421 High-speed asynchronous decoder circuit for variable-length coded data June 18, 2002
There is disclosed a decoder circuit that includes a logic circuit for decoding variable-length coded data coupled to a timing circuit. The logic circuit includes a plurality of computational logic stages, each of the computational logic stages having a synchronization signal input and a
6313264 Effector proteins of Rapamycin November 6, 2001
This invention comprises novel Rapamycin-FKBP12 binding proteins of mammalian origin for identification, design and synthesis of immunomodulatory, anti-restenosis or anti-tumor agents, as well as fragments of the proteins and the DNA, cDNA, antisense RNA and DNA segments correspondin
6214544 Method to identify tumor suppressor genes April 10, 2001
This invention provides a method of identifying a tumor suppressor gene of a cell(s). Analogous methods to identify tumor suppressors in normal cells and to identify genes associated with unknown genetic defects are also described. The feasibility of the title method was demonstrated by
6048704 Purified and recombinant antigenic protein associated with abdominal aortic aneurysm (AAA) disea April 11, 2000
This invention provides an isolated protein of approximately 40 kDa which is purified from human aortic tissue and immunoreactive with AAA-associated immunoglobulin. Also provided are a method of diagnosing AAA disease in a subject using said isolated protein and a pharmaceutical com
6001824 Butyryl-tyrosinyl spermine, analogs thereof and methods of preparing and using same December 14, 1999
The present invention provides a compound having the structure: ##STR1## wherein R.sub.1 is a saturated or unsaturated linear or branched chain alkyl group, or a cholestanyl group; wherein R.sub.2 is a 2-indolyl, 3-indolyl, 4-indolyl, 5-indolyl, 4-hydroxyphenyl, 4-(arylalkyloxy)pheny
6001579 Supports and combinatorial chemical libraries thereof encoded by non-sequencable tags December 14, 1999
Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage, as the same or different bit of information. Various products can be produced in the multi-stage synthesis, such as oligomers
5990285 Catalytic antibodies against cocaine November 23, 1999
This invention provides compounds which are analogs to the hydrolysis transition-state of a cocaine benzoyl ester group. This invention also provides such analogs linked to carrier proteins, and antibodies thereto. This invention further provides pharmaceutical composition for decreasing
5970978 Measurements of respiratory sensory discrimination thresholds October 26, 1999
An apparatus and method to objectively measure sensory discrimination thresholds at a test site in the upper aero digestive tract of a patient. A time and pressure controlled puff of air is delivered to the input of a Y-shaped tube; one output branch of the Y-shaped tube delivers the puf
5760826 Omnidirectional imaging apparatus June 2, 1998
The invention disclosed herein is an omnidirectional imaging apparatus for sensing an image of a substantially hemispherical scene from a single viewpoint, including a truncated, convex, substantially paraboloid-shaped reflector positioned to orthographically reflect an image of the
5697066 Media access protocol for packet access within a radio cell December 9, 1997
A method for packet signalling between a base station with a variable antenna system and remote stations uses pilot tones sent by the remote stations to the base station at the start of each data transfer period in which signalling will occur in either direction. The base station uses th
5608658 System and method for inspection of products with warranties March 4, 1997
A batch of units of a product are inspected before they are supplied to customers with warranties. The units are either defective or non-defective, realizing a defect index which is a random variable characterized by a statistical distribution. During the inspection, the units identi
5530575 Systems and methods for employing a recursive mesh network with extraplanar links June 25, 1996
Techniques for making a recursive mesh network for connecting a varying number of access stations within a service area is disclosed. The techniques include (a) dividing the service area into M.times.N rectangular regions, having (M+1).times.(N+1) corners, which cover the entire rang
5524187 Worlds-within-worlds nested display and interaction system and method June 4, 1996
Nested coordinate systems are used for the display and manipulation of multivariate data in any field including science, engineering, economics, demographics, business, and finance. A first, inner coordinate system contains a display corresponding to a subset of the variables while the
5497504 System and method for connection control in mobile communications March 5, 1996
In a mobile communications network, cell-clusters are defined to include a multiplicity of cells. Wireless connections within the network are classified based on the actions taken for the connections when a radio congestion state is encountered. A cell-cluster controller controls adm
5493297 Quantization noise reduction in oversampled analog-to-digital signal conversion February 20, 1996
Quantization noise in oversampled digital data can be reduced by processing including alternate steps of lowpass filtering and so-called code projection, in cases where the set of discrete-time signals corresponding to quantized-signal data is a convex set. Corresponding specific methods
5486264 Laser etching of semiconductors January 23, 1996
A laser-based technique for rapid etching of a semi-insulating substrate is described wherein a vertically suspended semiconductive sample is placed in an etchant solution. An intermittent laser beam is applied thereto whereby gas bubbles formed during the application of the laser beam t
5391481 Antibody which is directed against and inhibits collagen binding to a VLA-1 epitope and uses the February 21, 1995
The present invention provides an antibody which specifically forms a complex with and inhibits collagen binding to VLA-1 and methods of using same.
5364760 Replicative RNA reporter systems November 15, 1994
Highly sensitive methods for assaying for biopolymers, such as by immunoassay or nucleic acid probe hybridization assay, and compositions for carrying out the methods, are provided. The methods employ as reporter group a RNA capable of being autocatalytically replicated by an RNA-dep
5293058 Linear voltage-controlled resistance element March 8, 1994
The channel resistance of a MOSFET is made independent of V.sub.S -V.sub.D by maintaining the ends of the gate electrode adjacent the source and drain regions at an offset voltage with respect to the source and drain regions, respectively, and by maintaining the portions of the body regi
5196333 DNA sequences involved in neuronal degeneration, multicellular organisms containing same and use March 23, 1993
This invention provides an isolated nucleic acid molecule encoding a wild-type animal protein associated with neuronal degeneration and an isolated nucleic acid molecule encoding a mutated animal protein associated with neuronal degeneration. Also provided are strains of the nematode
4957858 Replicative RNA reporter systems September 18, 1990
4649130 Novel derivatives of arginine vasopressin antagonists March 10, 1987
Compounds acting as antagonists of the antidiuretic/and or vasopressor activity of arginine vasopressin are those of the formula ##STR1## wherein n is 4 or 5; X is (D- or L-)Tyr(R), D-Phe, D-Val, D-Leu, D-lle, D-Nva, D-Nle, D-Cha, D-Abu, D-Thr, D-Asn, D-Met or D-Gln; Y is Val, lle,
4551445 Derivatives of arginine vasopressin antagonists November 5, 1985
Compounds acting as antagonists of the anThe invention described herein was made in the course of work under a grant or award from the Department of Health and Human Services.
4491577 Antagonists of the antidiuretic action of arginine vasopressin January 1, 1985
Compounds acting as antagonists of the antidiuretic activity of arginine vasopressin are those of the formula ##STR1## wherein X is (D- or L-)Tyr(R), D-Tyr, D-Phe, D-Val, D-Leu D-Ile, D-Arg, D-Gln, D-Asn, D-NVa, D-Nle, D-Cha, D-Abu, D-Thr or D-Met; R is methyl, ethyl, propyl or b
4399216 Processes for inserting DNA into eucaryotic cells and for producing proteinaceous materials August 16, 1983
The present invention relates to processes for inserting DNA into eucaryotic cells, particularly DNA which includes a gene or genes coding for desired proteinaceous materials for which no selective criteria exist. The insertion of such DNA molecules is accomplished by cotransforming
4367225 Novel antagonists of the antidiuretic and/or vasopressor action of arginine vasopressin January 4, 1983
Compounds acting as antagonists of the antidiuretic activity of arginine vasopressin are those of the formula ##STR1## wherein X is methyl, ethyl, n-propyl, isopropyl or butyl; Tyr is D- or L-; W is Pro or .DELTA..sup.3 -Pro; and Z is L- or D- Arg. Related compounds in which X is

 
 
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