Inventor · Hitachi, JP

Yoshiharu Nagae

61Patents
22h-index
91Co-inventors
91Inventor score

Filing activity: Sep 5, 1975 → Jun 26, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6753834B2 Display device and driving method thereof Physics 202 Expired
US5798744A Liquid crystal display apparatus Physics 100 Expired
US5091722A Gray scale display Physics 86 Expired
US4508429A Method for driving liquid crystal element employing ferroelectric liquid crystal Physics 84 Expired
US4838655A Projector using guest-host liquid crystal cells for improved color purity Physics 73 Expired
US6456267B1 Liquid crystal display Physics 67 Expired
US5561440A Liquid crystal display device and driving method therefor Physics 60 Expired
US5461501A Liquid crystal substrate having 3 metal layers with slits offset to block light from reaching the substrate Physics 58 Expired
US4317115A Driving device for matrix-type display panel using guest-host type phase transition liquid crystal Physics 58 Expired
US4725129A Method of driving a ferroelectric liquid crystal element Emerging Cross-Sectional Technologies 56 Expired
US5404175A Method for projecting image obtained by using liquid crystal panels semiconductor substrate and display apparatus for realizing the same Electricity 50 Expired
US6331845A Liquid crystal display device and driving method therefor Physics 46 Expired
US6064358A Liquid crystal display device and driving method therefor Physics 46 Expired
US4380008A Method of driving a matrix type phase transition liquid crystal display device to obtain a holding effect and improved response time for the erasing operation Physics 45 Expired
US4062626A Liquid crystal display device Physics 44 Expired
US5021774A Method and circuit for scanning capacitive loads Physics 39 Expired
US4634226A Optical apparatus using ferroelectric liquid crystal and switching unit for emitted light Physics 35 Expired
US4591886A Driving method and apparatus for optical printer with liquid-crystal switching element Physics 34 Expired
US4952034A Liquid crystal projection display Physics 26 Expired
US4733370A Information holding device Physics 23 Expired
US4278328A Guest-host liquid crystal display device Physics 23 Expired
US5337070A Display and the method of driving the same Physics 22 Expired
US5928733A Active-matrix liquid crystal display Physics 21 Expired
US5784136A PDLC device and method of making, with liquid crystal microcapsules having a uniform diameter Chemistry; Metallurgy 20 Expired
US4906073A Liquid crystal display device using nematic liquid crystal having twisted helical structure and a phase correction plate Physics 19 Expired

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