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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2012

- this report was created with support from the National Science Foundation -

BREAKOUT BY TECHNOLOGY CLASS -
PATENTS DISTRIBUTED BY CALENDAR YEAR OF PATENT APPLICATION

NUMBER OF UTILITY PATENTS ASSIGNED ANNUALLY
TO U.S. COLLEGES AND UNIVERSITIES RANKED IN THE
TOP 250 BY R&D EXPENDITURES IN FY 2011

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period

This Table Displays Patent Counts By Technology Class
For Patents Granted To The Following Top 250 R&D University:

COLUMBIA UNIVERSITY

( count of patent grants, as distributed by calendar year of patent application )
( technology class is determined by the primary patent classification - see 'Explanation of Data' )

Annual patent counts for the university.
Counts of granted patents are distributed by the year of patent filing.
Multiple assignee names may be associated with a university.
Class Class Title PRE_1992 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Total
435 Chemistry: Molecular Biology and Microbiology 28 6 6 18 18 23 21 15 19 15 19 9 5 6 6 2 6 3 0 2 3 0 230
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 25 1 4 8 12 21 7 9 11 12 12 9 11 11 14 11 6 2 2 5 0 0 193
532 Organic Compounds (includes Classes 532-570) 11 3 0 3 6 4 2 7 6 7 2 3 7 6 1 4 3 0 1 1 0 0 77
128 Surgery (includes Class 600) 2 0 1 6 2 4 1 2 7 4 4 3 1 4 0 1 3 0 1 0 0 0 46
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 1 1 1 4 4 3 1 2 3 4 2 7 1 3 1 0 0 0 1 0 0 44
438 Semiconductor Device Manufacturing: Process 2 0 0 1 0 0 0 0 1 1 2 4 3 3 1 4 4 2 1 2 1 0 32
606 Surgery (instruments) 1 0 1 2 3 0 0 2 3 0 1 4 0 0 0 2 1 3 1 0 0 0 24
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 0 0 3 1 2 2 0 1 3 0 0 1 0 1 0 4 2 0 2 0 0 23
382 Image Analysis 1 0 0 1 0 3 4 1 0 0 2 0 1 3 1 0 3 0 0 0 0 0 20
604 Surgery (Medicators and Receptors) 1 0 0 0 0 1 1 3 3 2 1 1 1 1 0 0 2 0 2 1 0 0 20
348 Television 1 2 0 0 0 1 1 2 1 3 0 1 0 4 0 0 0 1 2 0 0 0 19
370 Multiplex Communications 1 0 1 3 1 0 1 0 2 0 0 1 0 1 1 0 1 0 2 0 0 0 15
375 Pulse or Digital Communications 1 0 0 0 0 0 0 1 0 2 1 2 2 3 1 0 2 0 0 0 0 0 15
436 Chemistry: Analytical and Immunological Testing 4 0 1 0 2 0 0 1 0 2 1 2 0 1 0 1 0 0 0 0 0 0 15
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 0 0 0 0 2 1 1 1 0 0 5 2 0 1 0 0 1 0 0 14
341 Coded Data Generation or Conversion 2 0 0 1 0 0 0 1 0 0 0 0 0 1 4 1 3 0 0 0 0 0 13
726 Information Security 0 0 0 0 0 0 0 0 0 2 0 4 1 2 1 0 1 2 0 0 0 0 13
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 1 1 1 0 2 1 0 2 0 0 0 1 1 1 0 0 0 0 11
210 Liquid Purification or Separation 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 3 1 0 9
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 0 0 0 0 0 0 1 0 4 1 0 0 1 1 1 0 0 0 9
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 2 1 2 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 9
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 1 0 1 1 1 1 1 1 0 0 0 0 1 0 1 0 0 0 9
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 2 0 0 0 0 2 4 0 0 0 0 0 0 0 0 0 1 0 0 9
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 2 1 0 0 0 8
356 Optics: Measuring and Testing 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 3 1 0 0 0 0 8
385 Optical Waveguides 3 0 1 0 0 0 0 0 0 0 2 0 0 0 0 1 1 0 0 0 0 0 8
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 0 1 0 1 2 0 1 1 0 1 1 0 0 0 0 0 0 0 8
706 DP: Artificial Intelligence (Data Processing) 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 1 2 0 0 0 0 8
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 0 0 0 1 2 0 0 0 1 1 1 0 0 1 0 0 0 8
106 Compositions: Coating or Plastic 4 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 0 0 0 0 2 0 0 0 0 0 2 0 0 0 0 0 1 0 0 0 0 7
324 Electricity: Measuring and Testing 2 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
326 Electronic Digital Logic Circuitry 0 0 0 0 0 0 0 0 0 0 2 0 2 0 1 0 1 0 0 0 0 0 6
345 Computer Graphics Processing and Selective Visual Display Systems 1 0 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 6
398 Optical Communications 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 6
423 Chemistry of Inorganic Compounds 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 1 0 0 6
250 Radiant Energy 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 5
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 1 0 1 0 0 0 0 5
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 2 0 0 0 0 0 5
204 Chemistry: Electrical and Wave Energy 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4
219 Electric Heating 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 4
331 Oscillators 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 0 4
351 Optics: Eye Examining, Vision Testing and Correcting 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
353 Optics: Image Projectors 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 0 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 4
427 Coating Processes 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 4
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 4
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 4
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 4
073 Measuring and Testing 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
084 Music 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 3
095 Gas Separation: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 3
252 Compositions 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
330 Amplifiers 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 3
396 Photography 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 3
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 3
505 Superconductor Technology: Apparatus, Material, Process 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 3
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
033 Geometrical Instruments 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2
096 Gas Separation: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2
123 Internal-Combustion Engines 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
175 Boring or Penetrating the Earth 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2
359 Optical: Systems and Elements 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2
372 Coherent Light Generators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2
428 Stock Material or Miscellaneous Articles 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
455 Telecommunications 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
474 Endless Belt Power Transmission Systems or Components 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 2
002 Apparel 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
005 Beds 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
060 Power Plants 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
065 Glass Manufacturing 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
081 Tools 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
222 Dispensing (apparatus and process) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
307 Electrical Transmission or Interconnection Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
336 Inductor Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
355 Photocopying 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
374 Thermal Measuring and Testing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
379 Telephonic Communications 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
439 Electrical Connectors 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
725 Interactive Video Distribution Systems 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 125 17 21 56 60 79 52 51 77 72 63 58 54 67 52 45 63 29 25 24 8 0 1098


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