Inventor · Hitachi, JP

Yuzuru Simazaki

14Patents
8h-index
26Co-inventors
68Inventor score

Filing activity: May 18, 1978 → Mar 17, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4362771A Liquid crystal display element with gap controlling material and process for production thereof Chemistry; Metallurgy 44 Expired
US5291253A Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus Physics 39 Expired
US4998143A Electrophotographic image transfer member, electrophotographic image transfer device and electrophotographic recording apparatus Physics 22 Expired
US4505546A Liquid crystal display device Physics 18 Expired
US4783149A Time-sharing drive liquid crystal optical switch array and optical printer using this optical switch array Physics 14 Expired
US4746196A Multiplexed driving method for an optical switching element employing ferroelectric liquid crystal Emerging Cross-Sectional Technologies 12 Expired
US4947200A Developing device and multi-color recording apparatus Physics 10 Expired
US4217514A Stator structure for induction motor Electricity 9 Expired
US4952951A Electrophotographic recording apparatus Physics 7 Expired
US5430528A Magnetic brush with bristle height equal to developing gap Physics 6 Expired
US5008691A Multi-color electrophotograph apparatus Performing Operations; Transporting 4 Expired
US5315353A Image recording method including determining a gap between a photosensitive medium and a developing roller and apparatus therefor Physics 3 Expired
US5745818A Image formation method and image formation apparatus Physics 3 Expired
US5307147A Electrophotographic recording apparatus having a plurality of developing devices which can be changed over Physics 1 Expired

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