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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
  Recently Added Patents
Passive millimeter wave differential interference contrast polarimetry
Small molecule inhibitors of kynurenine-3-monooxygenase
Methods and devices for rapid and specific detection of multiple proteins
Sulfonated amorphous carbon, process for producing the same and use thereof
Optical power measurement method, optical line terminal and optical network unit
Hard disk drives having different rotational speeds
Rotation angle detecting device
  Randomly Featured Patents
Chain retention device
Disposable valve with disk-like valve element
Heat resistant insulated wire and method of preparing the same
Nitrophenyl-sulphonyl-imidazoles and use thereof for controlling vegetable and animal pests
Dynamic spam view settings
System and method for dynamic control of data packet fragmentation threshold in a wireless network
Storage unit for storing combustion engine parts during engine disassembly
Mobile telephone station with power saving circuit
Bias circuit and power amplifier