- Society of Photo-optical Instrumentation Engineers (257)
- Society of Automotive Engineers (84)
- North Atlantic Treaty Organization. Scientific Affairs Division (33)
- IEEE Computer Society (32)
- Institute of Electrical and Electronics Engineers (28)
- International Mechanical Engineering Congress and Exposition (28)
- American Chemical Society. Meeting (27)
- IEEE Electron Devices Society (25)
- International Federation for Information Processing (22)
- Technical Association of the Pulp and Paper Industry (21)
- American Society of Mechanical Engineers. Pressure Vessels and Piping Division (20)
- American Society for Photogrammetry and Remote Sensing (19)
- North American Remote Sensing Industries Association (18)
- North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development (18)
- ASME Pressure Vessels and Piping Conference (16)
- IS&T--the Society for Imaging Science and Technology (15)
- Paracelsus, 1493-1541 (14)
- Institution of Electrical Engineers (13)
- SAE International Congress & Exposition (13)
- United States. Advanced Research Projects Agency (13)
- China Optics & Optoelectronic Manufacturers Association (12)
- Chinese Optical Society (12)
- IEEE Communications Society (12)
- Lasers and Electro-optics Society (Institute of Electrical and Electronics Engineers) (12)
- American Institute of Aeronautics and Astronautics (11)
- American Society of Mechanical Engineers (11)
- Electrochemical Society. Electronics Division (11)
- Institution of Engineers, Australia (11)
- Photonics West (11)
- Semiconductor Equipment and Materials International (11)
- International Association of Science and Technology for Development (10)
- International Symposium on Automotive Technology & Automation (10)
- National Natural Science Foundation of China (10)
- Centre national de la recherche scientifique (France) (9)
- European Space Agency (9)
- IEEE Circuits and Systems Society (9)
- IEEE Industrial Electronics Society (9)
- Institution of Mechanical Engineers (9)
- Pyle, Andrew (9)
- American Society of Mechanical Engineers. Internal Combustion Engine Division (8)
- European Laser Association (8)
- IEEE Signal Processing Society (8)
- Institution of Mechanical Engineers (Great Britain). Automobile Division (8)
- International Astronomical Union. Symposium (8)
- Laser Vision (8)
- Society for Computer Simulation (8)
- American Society of Mechanical Engineers. Heat Transfer Division (7)
- Components, Packaging & Manufacturing Technology Society (7)
- IEEE Computer Society. TC on Distributed Processing (7)
- IEEE Computer Society. Technical Committee on Computer Architecture (7)
- IEEE Control Systems Society (7)
- International Atomic Energy Agency (7)
- International Federation of Automatic Control (7)
- Optical Society of America (7)
- Royal Society of Chemistry (Great Britain). Information Services (7)
- Scientific Council for Coherent and Nonlinear Optics (Rossiĭskai︠a︡ akademii︠a︡ nauk) (7)
- ASME/JSME International Conference on Nuclear Engineering (6)
- American Chemical Society. Division of Agricultural and Food Chemistry (6)
- American Meteorological Society (6)
- American Society of Mechanical Engineers. Design Engineering Division (6)
- American Society of Mechanical Engineers. Materials Division (6)
- American Water Works Association (6)
- Australasian Chemical Engineering Conference (6)
- Guyenne, T. D. (6)
- Hamza, M. H. (6)
- ICONO (6)
- IEEE Aerospace and Electronic Systems Society (6)
- IS & T--the Society for Imaging Science and Technology (6)
- International Spring Fuels & Lubricants Meeting (6)
- International Truck and Bus Meeting & Exposition (6)
- Photonics China (6)
- Weiss, Gordon (6)
- 応用物理学会 (6)
- 計測自動制御学会 (6)
- ACM Special Interest Group for Automata and Computability Theory (5)
- ACM Special Interest Group on Design Automation (5)
- American Society of Mechanical Engineers. Applied Mechanics Division (5)
- American Society of Mechanical Engineers. Internal Combustion Engine Division. Technical Conference (5)
- Canadian Society for Civil Engineering (5)
- Caton, J. A. (Jerald A.) (5)
- Electrochemical Society. Dielectric Science and Technology Division (5)
- Future Transportation Technology Conference and Exposition (5)
- IEEE Computer Society. Technical Council on Software Engineering (5)
- IEEE Microwave Theory and Techniques Society (5)
- IEEE Neural Networks Council (5)
- IEEE Power Electronics Society (5)
- IS&T/SPIE Electronic Imaging (5)
- Institution of Mechanical Engineers (Great Britain). Railway Division (5)
- International Chemical Congress of Pacific Basin Societies (5)
- International Fall Fuels & Lubricants Meeting & Exposition (5)
- Materials Research Society (5)
- Medical Imaging (5)
- SIGART (5)
- Technologiestiftung Innovationszentrum Berlin (5)
- American Association of Physicists in Medicine (4)
- American Chemical Society. Division of Agrochemicals (4)
- American Chemical Society. Division of Environmental Chemistry (4)
- American Chemical Society. Division of Polymer Chemistry (4)
- American Society of Mechanical Engineers. Dynamic Systems and Control Division (4)
- American Society of Mechanical Engineers. Electrical and Electronic Packaging Division (4)
- (30)