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Class Number Class Name Patents
372 Coherent light generators 54,439
362 Illumination 129,157
382 Image analysis 140,593
385 Optical waveguides 104,621
359 Optical: systems and elements 158,241
353 Optics: image projectors 19,899
356 Optics: measuring and testing 87,044
352 Optics: motion pictures 4,327
396 Photography 47,912
D16 Photography and optical equipment 14,480
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System and method for deriving cell global identity information
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Cycloalkylamine substituted isoquinoline and isoquinolinone derivatives
Portable reading device with mode processing
Systems and methods for providing a collaboration place interface including data that is persistent after a client is longer in the collaboration place among a plurality of clients
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Gauging tool
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Frequency comb analysis
System and method for selective local object retrieval
Cordless telephone system