Inventor · Tokyo, JP

Tatsuki Okamoto

25Patents
9h-index
41Co-inventors
75Inventor score

Filing activity: May 11, 1988 → Oct 24, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6437284B1 Optical system and apparatus for laser heat treatment and method for producing semiconductor devices by using the same Electricity 126 Expired
US6717105B1 Laser annealing optical system and laser annealing apparatus using the same Performing Operations; Transporting 26 Expired
US8482813B2 Image-scanning device Physics 23 Active
US7085023B2 Image-reading apparatus Electricity 22 Expired
US6724546B2 LIGHT CONVERGING OPTICAL SYSTEM FOR CONVERGING LIGHT ONTO A REFLECTING OPTICAL-SPATIAL MODULATOR ELEMENT AND IMAGE DISPLAYING APPARATUS FOR DISPLAYING AN IMAGE FORMED BY LIGHT REFLECTED BY THE REFLECTING OPTICAL-SPATIAL MODULATOR ELEMENT Electricity 21 Expired
US6414749B1 Uneven-pattern reading apparatus Physics 21 Expired
US6884699B1 Process and unit for production of polycrystalline silicon film Emerging Cross-Sectional Technologies 14 Expired
US7995252B2 Image reading apparatus Electricity 10 Active
US7097709B2 Laser annealing apparatus Emerging Cross-Sectional Technologies 9 Expired
US8228566B2 Image reading apparatus Electricity 6 Active
US7591576B2 Illuminator and image reader employing it Electricity 6 Expired
US4815091A Metal vapor laser Electricity 5 Expired
US5243230A Semiconductor switching apparatus Electricity 5 Expired
US6698902B2 Image displaying apparatus for displaying an image according to light reflected by an optical spatial modulator element Electricity 5 Expired
US4975924A Metallic vapor laser apparatus Electricity 5 Expired
US5148318A Optical pulse waveform shaper Electricity 5 Expired
US6912300B1 Irregular pattern reader Physics 4 Expired
US5122674A Semiconductor switching apparatus Electricity 3 Expired
US8711442B2 Image reading apparatus Electricity 1 Active
US7581880B2 Radiant-temperature measurement device, light-source temperature control device, image projection apparatus and radiant-temperature measurement method Physics 1 Active
US7278741B2 Display apparatus and method for forming an image on a viewer's retina Physics 1 Expired
US9167121B2 Lighting unit and image scanner using same Physics 0 Active
US8767786B2 Laser processing apparatus, laser processing method, and manufacturing method of photovoltaic device Performing Operations; Transporting 0 Active
US9264572B2 Image reading device Electricity 0 Active
US8982430B2 Lighting unit and image scanner using same Physics 0 Active

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