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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

U.S. COLLEGES AND UNIVERSITIES-
UTILITY PATENT GRANTS,
CALENDAR YEARS 1969-2005

- this report has been prepared 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 200 BY R&D EXPENDITURES IN FY 2004

- 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 200 R&D University:

JOHNS HOPKINS 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 either distributed by the year of patent grant
or by the year of patent filing. Multiple assignee names may be associated
with a university.
Class Class Title PRE_1985 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
435 Chemistry: Molecular Biology and Microbiology 5 1 0 4 3 4 5 5 6 10 19 42 26 27 38 27 22 18 4 1 0 0 267
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 15 2 1 1 2 4 1 6 4 13 8 12 12 10 18 18 16 13 3 1 0 0 160
128 Surgery (includes Class 600) 24 4 2 3 3 2 2 0 3 4 0 2 3 3 6 7 6 9 1 0 0 0 84
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 1 0 1 1 1 2 1 1 1 8 15 2 4 11 3 7 0 0 0 0 0 60
532 Organic Compounds (includes Classes 532-570) 7 1 0 1 1 2 0 1 1 1 6 7 3 1 2 4 5 0 2 0 0 0 45
324 Electricity: Measuring and Testing 3 0 1 0 1 2 0 2 0 0 1 0 2 4 0 3 1 3 4 2 1 0 30
250 Radiant Energy 2 0 0 1 0 0 0 1 0 3 0 1 2 0 0 0 2 1 8 3 0 0 24
604 Surgery (Medicators and Receptors) 7 0 2 1 0 0 0 0 0 0 0 1 0 1 1 3 1 1 1 0 0 0 19
073 Measuring and Testing 4 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 7 6 0 0 18
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 3 1 0 0 0 0 1 0 0 0 0 0 3 1 1 2 1 0 3 2 0 0 18
607 Surgery: Light, Thermal, and Electrical Application 7 1 0 0 0 0 1 1 1 0 0 0 0 0 2 1 2 1 0 0 0 0 17
340 Communications: Electrical 1 0 1 0 0 0 0 0 0 2 0 1 1 1 0 2 1 0 1 2 0 0 13
606 Surgery (instruments) 1 1 0 0 0 0 0 0 0 1 2 0 3 1 0 0 0 2 1 0 0 0 12
074 Machine Element or Mechanism 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
436 Chemistry: Analytical and Immunological Testing 2 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 1 3 0 0 10
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1 1 1 2 1 0 0 10
382 Image Analysis 0 0 1 2 0 0 0 0 3 0 0 0 1 0 1 0 0 0 1 0 0 0 9
428 Stock Material or Miscellaneous Articles 0 1 0 0 1 0 0 1 0 0 1 1 0 0 0 0 0 1 0 2 1 0 9
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 0 0 2 0 0 0 2 0 0 1 0 1 1 0 0 0 1 0 0 0 8
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 2 1 0 0 0 0 8
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 0 0 1 0 0 0 7
333 Wave Transmission Lines and Networks 2 1 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 1 0 0 0 7
601 Surgery: Kinesitherapy 2 0 0 0 1 0 0 0 0 0 0 2 0 0 1 0 0 1 0 0 0 0 7
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 1 1 0 0 0 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 7
244 Aeronautics and Astronautics 3 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 0 1 0 0 1 0 0 0 0 3 0 0 0 0 0 0 0 6
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 6
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 1 2 1 0 0 0 1 0 0 5
356 Optics: Measuring and Testing 1 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 5
359 Optics: Systems and Elements 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 5
374 Thermal Measuring and Testing 1 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 1 0 0 0 0 5
378 X-Ray or Gamma Ray Systems or Devices 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 5
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 0 2 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 5
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 0 5
438 Semiconductor Device Manufacturing: Process 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 5
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 2 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
029 Metal Working 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 4
206 Special Receptacle or Package 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 4
348 Television 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4
385 Optical Waveguides 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 4
426 Food or Edible Material: Processes, Compositions, and Products 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 4
148 Metal Treatment 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 3
180 Motor Vehicles 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
248 Supports (e.g., for holding articles, etc.) 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 3
365 Static Information Storage and Retrieval 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 3
375 Pulse or Digital Communications 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
434 Education and Demonstration 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 3
455 Telecommunications 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 3
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 3
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 3
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
002 Apparel 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2
060 Power Plants 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
134 Cleaning and Liquid Contact with Solids 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
137 Fluid Handling 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2
177 Weighing Scales 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2
198 Conveyors: Power-Driven 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
210 Liquid Purification or Separation 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 2
216 Etching a Substrate: Processes 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
228 Metal Fusion Bonding 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
326 Electronic Digital Logic Circuitry 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2
330 Amplifiers 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2
331 Oscillators 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
370 Multiplex Communications 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
384 Bearings 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
417 Pumps 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2
423 Chemistry of Inorganic Compounds 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
451 Abrading 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 2
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 2
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 1 1 0 0 0 0 2
071 Chemistry: Fertilizers 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
095 Gas Separation: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
096 Gas Separation: Apparatus 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
104 Railways 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
114 Ships 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
165 Heat Exchange 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
174 Electricity: Conductors and Insulators 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
220 Receptacles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
242 Winding, Tensioning, or Guiding 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
251 Valves and Valve Actuation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
297 Chairs and Seats 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
310 Electrical Generator or Motor Structure 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
361 Electricity: Electrical Systems and Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
362 Illumination 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
380 Cryptography 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
439 Electrical Connectors 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
482 Exercise Devices 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
501 Compositions: Ceramic 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
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 0 0 0 0 0 1
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
717 DP: Software Development, Installation, and Management (Data Processing) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
726 Information Security 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 145 21 12 21 23 25 22 25 27 40 47 95 67 67 97 88 75 62 64 33 6 0 1062

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