Inventor · Nara, JP

Tomio Wada

39Patents
18h-index
34Co-inventors
81Inventor score

Filing activity: Sep 4, 1973 → Sep 14, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4443819A Liquid crystal display screen for use in TV Physics 67 Expired
US4443065A Interference color compensation double layered twisted nematic display Physics 62 Expired
US4425572A Thin film transistor Electricity 58 Expired
US4474432A Optical display panel structure Physics 49 Expired
US4373784A Electrode structure on a matrix type liquid crystal panel Physics 45 Expired
US4396253A Electro-chromic display devices Physics 43 Expired
US4231640A Matrix type liquid crystal display panel Physics 42 Expired
US4404578A Structure of thin film transistors Electricity 41 Expired
US4413256A Driving method for display panels Physics 40 Expired
US4302751A Driver circuit for electrochromic displays Physics 33 Expired
US4436379A Two-layer liquid crystal display panel Physics 31 Expired
US4335936A Matrix electrode structure in a multi-layer matrix type liquid crystal display Physics 30 Expired
US4416515A Optical filter in fluorescent liquid crystal display devices Chemistry; Metallurgy 24 Expired
US4183630A Twisted nematic field effect mode liquid crystal display Physics 20 Expired
US4487480A Multi-layer matrix type liquid crystal display panel Physics 19 Expired
US4536060A Seal for dynamic scattering-twisted nematic liquid crystal display Physics 19 Expired
US4486760A Liquid crystal display/record cell Physics 18 Expired
US4411496A DAP, LCD Device with a bias voltage Physics 18 Expired
US4425029A Fluorescent liquid crystal display devices Physics 18 Expired
US4335937A Electrode assembly of a liquid crystal display Physics 16 Expired
US4375319A Electrochromic display device Physics 16 Expired
US4281324A Matrix type liquid crystal display Physics 15 Expired
US5198794A Trimmed resistor Electricity 15 Expired
US4772099A Capacitive electrode configuration for liquid crystal displays Physics 14 Expired
US4556287A Fluorescent liquid crystal display devices Chemistry; Metallurgy 14 Expired

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