Patent assignee · US · COMPANY

WAVEFRONT TECHNOLOGY, INC.

25Patents
21Active
25Granted
53Portfolio score

Filing activity: Dec 28, 2001 → Dec 1, 2023 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7430358B2 Elliptical diffusers used in displays Physics 92 Expired
US6998196B2 Diffractive optical element and method of manufacture Physics 35 Expired
US8194315B2 Polarization preserving projection screen with engineered particle and method for making same Emerging Cross-Sectional Technologies 23 Active
US10252563B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 18 Active
US7298533B2 Optical films for creating unique optical effects Performing Operations; Transporting 14 Expired
US10850550B2 Optical switch devices Physics 12 Active
US10859851B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 11 Active
US11221448B2 Animated optical security feature Physics 9 Active
US11113919B2 Optical switch devices Physics 9 Active
US11590790B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 7 Active
US11618275B2 Optical switch devices Physics 7 Active
US11861966B2 Optical switch devices Physics 6 Active
US10838218B2 Optical structures providing dichroic effects Performing Operations; Transporting 5 Active
US7429437B2 Diffractive optical element and method of manufacture Physics 4 Expired
US11198316B2 Optical structures providing dichroic effects Performing Operations; Transporting 4 Active
US11675203B2 Optical structures providing dichroic effects Performing Operations; Transporting 3 Active
US12078821B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 3 Active
US11840112B2 Optical structures providing dichroic effects Performing Operations; Transporting 2 Active
US12269288B2 Optical switch devices Physics 0 Active
US12360391B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 0 Active
US12397576B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 0 Active
US10795059B2 Ultra thin Fresnel lenses and other optical elements Physics 0 Active
US12223794B2 Optical switch devices Physics 0 Active
US12253691B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Electricity 0 Active
US9851070B2 Systems and methods to impart visual quality to illumination systems Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.