Patent Portfolio for Sale:Private Listing: Number 2137
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Class 257: Active Solid-State Devices (E.G., Transistors, Solid-State Diodes)This class provides for active solid-state electronic devices, that is, electronic devices or components that are made up primarily of solid materials, usually semiconductors, which operate by the movement of charge carriers - electrons or holes - which undergo energy level changes within the material and can modify an input voltage to achieve rectification, amplification, or switching action, and are not classified elsewhere.
Subclass E31.057: PN homojunction potential barrier (EPO)
Subclass E27.129: In a repetitive configuration (EPO)
Subclass 465: Geometric configuration of junction (e.g., fingers)
Subclass 463: With particular doping concentration
Subclass 461: Light responsive pn junction
Subclass 459: With particular contact geometry (e.g., ring or grid, or bonding pad arrangement)
Subclass E31.037: For device having potential or surface barrier (EPO)
Class 359: Optical: Systems And ElementsOptical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.
Subclass 279: Phase modulation
Subclass 260: Etalon structure
Subclass 248: Semiconductor
Class 372: Coherent Light GeneratorsAn assembly of electrical, mechanical, and optical components produces an intense, coherent, directional beam of light by stimulating electronic, ionic, or molecular transitions to lower energy levels.
Subclass 22: Frequency multiplying (e.g., harmonic generator)