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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)


U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2003

- this report has been prepared with support from the National Science Foundation -


BREAKOUT BY TECHNOLOGY CLASS -
PATENTS DISTRIBUTED BY CALENDAR YEAR OF GRANT

NUMBER OF UTILITY PATENTS ASSIGNED ANNUALLY
TO U.S. COLLEGES AND UNIVERSITIES RANKED IN THE
TOP 100 BY R&D EXPENDITURES IN FY 2002

- 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 100 R&D University:

STANFORD UNIVERSITY

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

This table displays annual patent counts for the associated university entry.
Counts of granted patents are either distributed by the year of patent grant
or by the year of patent filing. Multiple assignee names may be associated
with a university entry.
Class Class Title PRE_1983 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Total
435 Chemistry: Molecular Biology and Microbiology 2 1 4 4 1 4 3 1 2 6 2 1 8 9 8 14 15 20 20 16 22 10 173
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 1 1 0 4 4 3 5 2 4 2 3 3 4 8 8 9 11 11 8 13 15 120
359 Optics: Systems and Elements 8 1 0 1 0 3 1 2 2 4 5 1 2 6 0 4 7 3 7 1 8 2 68
385 Optical Waveguides 0 2 4 8 4 4 15 6 2 6 2 0 1 0 1 0 0 2 2 1 3 3 66
324 Electricity: Measuring and Testing 3 0 0 0 0 2 2 3 0 5 4 6 6 4 6 3 1 2 3 5 5 5 65
356 Optics: Measuring and Testing 3 3 1 2 2 10 7 3 3 1 4 4 3 1 3 0 2 2 4 1 1 3 63
128 Surgery (includes Class 600) 7 0 1 2 2 1 4 1 1 3 0 4 1 4 3 6 1 3 4 3 5 4 60
372 Coherent Light Generators 0 2 1 4 4 1 4 5 3 5 0 4 3 1 1 3 2 1 1 1 0 1 47
532 Organic Compounds (includes Classes 532-570) 15 0 1 0 1 0 0 0 0 0 0 2 1 1 0 2 4 1 3 2 3 4 40
250 Radiant Energy 3 0 0 0 1 2 1 1 3 3 1 3 3 1 2 1 1 2 3 3 3 1 38
073 Measuring and Testing 10 0 2 3 2 1 0 0 1 1 0 3 2 0 1 1 0 2 2 1 3 0 35
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 0 3 1 2 0 0 1 0 1 0 2 1 0 0 1 1 1 1 1 2 2 23
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 0 1 2 0 0 1 0 0 0 1 1 1 3 1 2 5 4 1 23
204 Chemistry: Electrical and Wave Energy 0 0 1 0 0 1 0 0 2 1 5 2 4 1 2 0 1 0 0 0 0 1 21
378 X-Ray or Gamma Ray Systems or Devices 6 0 3 3 1 1 0 0 0 0 0 0 0 0 0 0 1 1 2 1 0 1 20
438 Semiconductor Device Manufacturing: Process 2 1 0 0 1 2 0 2 0 0 0 0 1 0 0 2 0 3 2 2 0 2 20
084 Music 2 0 0 0 1 1 0 1 0 1 1 0 0 3 3 2 2 1 0 0 0 0 18
367 Communications, Electrical: Acoustic Wave Systems and Devices 4 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 3 1 3 2 2 18
708 Arithmetic Processing and Calculating (Electrical Computers) 5 0 0 0 0 2 1 2 0 0 0 0 1 0 1 0 3 0 0 1 1 0 17
436 Chemistry: Analytical and Immunological Testing 4 0 1 2 0 0 1 0 0 1 1 1 0 0 1 0 3 0 0 0 1 0 16
375 Pulse or Digital Communications 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 2 0 1 2 1 3 13
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 1 1 3 1 2 13
216 Etching a Substrate: Processes 0 0 0 0 0 0 0 0 1 2 1 1 0 2 1 0 0 1 2 0 0 1 12
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 1 2 0 0 0 0 1 1 0 0 0 1 0 0 0 0 1 5 12
382 Image Analysis 0 0 0 0 0 1 0 1 0 0 1 0 2 0 2 0 1 0 0 1 1 1 11
455 Telecommunications 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 0 3 1 2 1 11
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 1 1 0 0 0 0 0 0 0 0 0 2 0 1 0 0 1 0 0 1 0 10
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 1 0 3 0 2 0 10
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 0 0 0 0 1 2 1 2 2 0 0 0 0 1 0 0 1 0 10
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 2 3 0 0 9
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 1 0 1 0 0 0 0 0 1 0 2 0 0 1 0 0 0 1 0 0 8
365 Static Information Storage and Retrieval 2 0 1 0 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 8
428 Stock Material or Miscellaneous Articles 0 0 1 0 0 1 0 0 1 0 0 0 0 0 1 1 0 1 0 1 0 1 8
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1 0 2 0 0 0 8
210 Liquid Purification or Separation 0 0 0 1 0 0 0 0 0 1 1 1 1 1 0 0 0 0 1 0 0 0 7
310 Electrical Generator or Motor Structure 1 0 1 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 7
333 Wave Transmission Lines and Networks 1 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 2 0 0 0 0 0 7
341 Coded Data Generation or Conversion 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 3 1 7
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 1 0 2 7
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 1 1 2 7
604 Surgery (Medicators and Receptors) 0 0 0 0 1 0 0 0 0 1 1 0 0 1 0 0 0 0 1 0 1 0 6
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 1 0 0 6
062 Refrigeration 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 5
326 Electronic Digital Logic Circuitry 0 0 0 0 0 0 0 0 1 0 0 0 0 3 0 0 0 0 1 0 0 0 5
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 0 5
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 1 0 0 0 1 0 5
355 Photocopying 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 5
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 3 0 0 0 0 5
423 Chemistry of Inorganic Compounds 2 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 2 1 5
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 5
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 2 0 5
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2 1 5
251 Valves and Valve Actuation 1 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 4
347 Incremental Printing of Symbolic Information 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 4
348 Television 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 4
398 Optical Communications 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 4
427 Coating Processes 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0 1 0 0 0 4
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 4
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 4
029 Metal Working 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 3
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 3
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 3
313 Electric Lamp and Discharge Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 3
370 Multiplex Communications 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
380 Cryptography 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 3
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 3
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 3
713 Support (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 3
060 Power Plants 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
065 Glass Manufacturing 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 2
209 Classifying, Separating, and Assorting Solids 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
211 Supports: Racks 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2
331 Oscillators 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 2
338 Electrical Resistors 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2
340 Communications: Electrical 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 2
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
419 Powder Metallurgy Processes 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2
494 Imperforate Bowl: Centrifugal Separators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2
585 Chemistry of Hydrocarbon Compounds 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2
601 Surgery: Kinesitherapy 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
606 Surgery (instruments) 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 2
005 Beds 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
052 Static Structures (e.g., Buildings) 0 0 0 0 0 0 0 0 0 0 1 0 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
123 Internal-Combustion Engines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
125 Stone Working 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
137 Fluid Handling 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
148 Metal Treatment 0 0 1 0 0 0 0 0 0 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) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
178 Telegraphy 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
181 Acoustics 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
219 Electric Heating 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
228 Metal Fusion Bonding 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
252 Compositions 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
285 Pipe Joints or Couplings 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
307 Electrical Transmission or Interconnection Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
330 Amplifiers 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
332 Modulators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
366 Agitating (e.g., of articles and materials) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
374 Thermal Measuring and Testing 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
379 Telephonic Communications 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
414 Material or Article Handling 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
417 Pumps 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
420 Alloys or Metallic Compositions 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
434 Education and Demonstration 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
ALL ALL CLASSES 111 16 36 38 33 48 54 43 36 57 42 50 62 54 55 64 79 83 103 84 104 85 1337


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