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Class Number Class Name Patents
257 Active solid-state devices (e.g., transistors, solid-state diodes) 785,187
376 Induced nuclear reactions: processes, systems, and elements 22,536
976 Nuclear technology 8,485
505 Superconductor technology: apparatus, material, process 14,422
378 X-ray or gamma ray systems or devices 40,719
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Resist underlayer film forming composition for lithography, containing aromatic fused ring-containing resin
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Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
Shape memory polymers formed by self-crosslinking of copolymers
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Supporting shelf for compact disks
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