Inventor · Westford, MA, US

John E. Ritter

24Patents
9h-index
57Co-inventors
78Inventor score

Filing activity: Jan 30, 1986 → Feb 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7535624B2 Electro-optic display and materials for use therein Electricity 414 Active
US7839564B2 Components and methods for use in electro-optic displays Physics 409 Active
US7561324B2 Electro-optic displays Physics 232 Expired
US7843621B2 Components and testing methods for use in the production of electro-optic displays Physics 69 Active
US7843626B2 Electro-optic display and materials for use therein Electricity 65 Active
US9075280B2 Components and methods for use in electro-optic displays Physics 35 Active
US8854721B2 Components and testing methods for use in the production of electro-optic displays Physics 26 Active
US8470617B2 Composition including material, methods of depositing material, articles including same and systems for depositing material Emerging Cross-Sectional Technologies 21 Active
US4684383A Methods for reducing the water content of optical waveguide fibers Chemistry; Metallurgy 11 Expired
US8174950B2 Optical tape embossing drum and optical tape embossing drum shim Physics 9 Active
US6545969B1 Monolithic optical head Physics 6 Expired
US8906804B2 Composition including material, methods of depositing material, articles including same and systems for depositing materials Emerging Cross-Sectional Technologies 4 Active
US7969832B2 Optical tape drive systems Physics 3 Active
US10599005B2 Electro-optic displays Physics 3 Active
US6522617B1 Optical head with monolithic layer for optical storage Physics 3 Expired
US9390920B2 Composition including material, methods of depositing material, articles including same and systems for depositing material Emerging Cross-Sectional Technologies 2 Active
US9140844B2 Optical components, systems including an optical component, and devices Physics 2 Active
US9946004B2 Lighting systems and devices including same Physics 1 Active
US9207385B2 Lighting systems and devices including same Physics 1 Active
US9252013B2 Methods and articles including nanomaterial Emerging Cross-Sectional Technologies 0 Active
US11520179B2 Method of forming an electrophoretic display having a color filter array Physics 0 Active
US10627561B2 Lighting systems and devices including same Physics 0 Active
US11294255B2 Components and methods for use in electro-optic displays Emerging Cross-Sectional Technologies 0 Active
US10359555B2 Lighting systems and devices including same Physics 0 Active

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