Inventor · Pittsboro, NC, US

Robert P. Freese

104Patents
19h-index
47Co-inventors
86Inventor score

Filing activity: Feb 15, 1983 → Dec 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7920258B2 Optical analysis system and elements to isolate spectral region Physics 97 Active
US7911605B2 Multivariate optical elements for optical analysis system Physics 93 Active
US6967779B2 Micro-lens array with precisely aligned aperture mask and methods of producing same Physics 82 Expired
US7623233B2 Optical analysis systems and methods for dynamic, high-speed detection and real-time multivariate optical computing Physics 73 Active
US7834999B2 Optical analysis system and optical train Physics 65 Active
US4569881A Multi-layer amorphous magneto optical recording medium Emerging Cross-Sectional Technologies 47 Expired
US7808706B2 Light management films for displays Physics 45 Expired
US8049881B2 Optical analysis system and methods for operating multivariate optical elements in a normal incidence orientation Physics 45 Active
US6829087B2 Micro-lens array based light transmitting screen with tunable gain Performing Operations; Transporting 36 Expired
US7192692B2 Methods for fabricating microstructures by imaging a radiation sensitive layer sandwiched between outer layers Emerging Cross-Sectional Technologies 35 Expired
US7190387B2 Systems for fabricating optical microstructures using a cylindrical platform and a rastered radiation beam Physics 28 Expired
US8862445B2 Selecting spectral elements and components for optical analysis systems Physics 26 Active
US8780352B2 Methods and devices for optically determining a characteristic of a substance Physics 25 Active
US8823939B2 Methods and devices for optically determining a characteristic of a substance Physics 24 Active
US8345234B2 Self calibration methods for optical analysis system Physics 24 Active
US9013702B2 Imaging systems for optical computing devices Physics 23 Active
US8960294B2 Methods for monitoring fluids within or produced from a subterranean formation during fracturing operations using opticoanalytical devices Physics 20 Active
US8208147B2 Method of high-speed monitoring based on the use of multivariate optical elements Physics 20 Active
US7867695B2 Methods for mastering microstructures through a substrate using negative photoresist Physics 20 Active
US8908165B2 Systems and methods for monitoring oil/gas separation processes Physics 19 Active
US8912477B2 Methods and devices for optically determining a characteristic of a substance Physics 19 Active
US8879053B2 Devices having an integrated computational element and a proximal interferent monitor and methods for determining a characteristic of a sample therewith Physics 19 Active
US8358418B2 Optical analysis system for dynamic real-time detection and measurement Physics 18 Active
US6816306B2 Micro-lens array based light transmitting screen with high resolution and low imaging artifacts Physics 18 Expired
US8941046B2 Methods and devices for optically determining a characteristic of a substance Physics 17 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.