Inventor · Tokyo, JP

Kimihiko Nishioka

97Patents
35h-index
115Co-inventors
91Inventor score

Filing activity: Jul 24, 1980 → Jun 23, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4756605A Liquid crystal spectacles Physics 229 Expired
US5150234A Imaging apparatus having electrooptic devices comprising a variable focal length lens Physics 224 Expired
US4919520A Liquid crystal eyeglass Physics 183 Expired
US6437925B1 Optical apparatus Electricity 160 Expired
US6464363B1 Variable mirror, optical apparatus and decentered optical system which include variable mirror, variable-optical characteristic optical element or combination thereof Physics 157 Expired
US7009757B2 Optimal elements (such as vari focal lens component, vari-focal diffractive optical element and variable declination prism) and electronic image pickup unit using optical elements Physics 155 Expired
US5784098A Apparatus for measuring three-dimensional configurations Electricity 150 Expired
US4795248A Liquid crystal eyeglass Physics 149 Expired
US6626532B1 Vari-focal spectacles Physics 146 Expired
US4398811A Viewing-direction changing optical system Human Necessities 139 Expired
US6833938B2 Variable hologram element, and optical device using the same Electricity 120 Expired
US5436767A Objective lens system for endoscopes Physics 112 Expired
US6738199B2 Variable optical-property element Electricity 95 Expired
US6025873A Endoscope system provided with low-pass filter for moire removal Electricity 95 Expired
US4747660A Light transmitter Physics 89 Expired
US4674844A Objective lens system for an endscope Physics 81 Expired
US7133172B2 Variable hologram element, and optical device using the same Electricity 78 Expired
US4867546A Objective lens system for an endoscope Physics 73 Expired
US4621284A Measuring endoscope Electricity 71 Expired
US4831437A Video endoscope system provided with color balance adjusting means Emerging Cross-Sectional Technologies 67 Expired
US4916534A Endoscope Human Necessities 60 Expired
US5555129A Optical low pass filter Electricity 56 Expired
US6658208B2 Focal-length adjusting unit for photographing apparatuses Physics 54 Expired
US4882619A High resolution image pickup system with color dispersion means Electricity 54 Expired
US4806001A Objective for an endoscope Physics 49 Expired

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