Inventor · Tokyo, JP

Masayuki Sugawara

24Patents
6h-index
45Co-inventors
69Inventor score

Filing activity: May 17, 1989 → Apr 18, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5548098A Laser cutting machine Physics 34 Expired
US5491318A Laser cutting machine Physics 13 Expired
US6822801B2 Device for determining focused state of taking lens Electricity 11 Expired
US5471323A Solid state video camera having improved chromatic aberration suppression and moire suppression Electricity 9 Expired
US4980772A Image pickup device incorporated with image intensifier tube Electricity 8 Expired
US7292271B2 Process and apparatus for taking slow motion picture, and process and apparatus for taking and playing slow motion picture Electricity 6 Expired
US7790629B2 Atomic layer deposition of strontium oxide via N-propyltetramethyl cyclopentadiendyl precursor Electricity 6 Active
US4974090A Image pickup device incorporated with image intensifier tube Electricity 6 Expired
US7128995B2 Method of producing oxide ion conductor Emerging Cross-Sectional Technologies 3 Expired
US8821968B2 Process for making layer-structured catalysts at the electrode/electrolyte interface of a fuel cell Emerging Cross-Sectional Technologies 2 Active
US6833538B2 Device for determining focused state of taking lens Electricity 2 Expired
US5406330A Video camera having image sensors driven by different vertical drive signals Electricity 2 Expired
US7948584B2 Color filter for transflective type liquid crystal display Physics 1 Active
US8026014B2 Solid oxide fuel cell components tuned by atomic layer deposition Emerging Cross-Sectional Technologies 1 Active
US7636141B2 Liquid crystal color display Physics 1 Expired
US8377203B2 Oxide single crystal and method for production thereof, and single crystal wafer Chemistry; Metallurgy 0 Active
US7768599B2 Color filter for transflective type liquid crystal display Physics 0 Active
US7330599B2 Contour compensation circuit, and a method and program for contour compensation, and an image signal display device Electricity 0 Expired
US8144292B2 Color filter for transflective type liquid crystal display Physics 0 Active
US8163338B2 Precursor selection method for chemical vapor deposition techniques Chemistry; Metallurgy 0 Active
US8130343B2 Color filter for transflective type liquid crystal display Physics 0 Active
US7601447B2 Electrolyte-electrode assembly comprising an isotropic layer Emerging Cross-Sectional Technologies 0 Active
US7973887B2 Color filter for transflective type liquid crystal display Physics 0 Active
US7682528B2 Oxide ion conductor Emerging Cross-Sectional Technologies 0 Active

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