Inventor · Yokohama, JP

Masaaki Oka

75Patents
16h-index
61Co-inventors
87Inventor score

Filing activity: Feb 17, 1976 → Feb 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5793376A Method of producing image data, image data processing apparatus, and recording medium Physics 130 Expired
US4965844A Method and system for image transformation Electricity 110 Expired
US5933148A Method and apparatus for mapping texture Physics 109 Expired
US5811547A Method for inducing crystalline state transition in medicinal substance Human Necessities 97 Expired
US6246418A Data processing method and apparatus Physics 74 Expired
US4030888A Automatic blood analyzer Emerging Cross-Sectional Technologies 53 Expired
US5719666A Particle analyzer classifying particles of various biological types using a correlation of measurements Physics 49 Expired
US5912671A Methods and apparatus for synthesizing a three-dimensional image signal and producing a two-dimensional visual display therefrom Physics 35 Expired
US6559854B2 Image creation device Physics 31 Expired
US6807620B1 Game system with graphics processor Human Necessities 29 Expired
US7780530B2 Character managing system, character server, character managing method, and program Electricity 22 Expired
US5784070A Method and apparatus for producing a polygonal image representation through operation of plotting commands on image data Physics 21 Expired
US6891544B2 Game system with graphics processor Human Necessities 21 Expired
US6141025A Image generating apparatus with FIFO memory and cache memory Physics 19 Expired
US6151033A Method and apparatus for producing animation data Physics 18 Expired
US8927209B2 Liver cancer methods and compositions Chemistry; Metallurgy 17 Active
US6172670A Method and apparatus for simultaneous shape-dependent access to picture data stored at a plurality of addresses Physics 16 Expired
US7102639B2 Image processing apparatus, image processing method, information processing apparatus, information processing system, semiconductor device and computer program Physics 16 Expired
US6567096B1 Image composing method and apparatus Physics 16 Expired
US6052131A Apparatus and method for generating antialiased polygons Physics 12 Expired
US6157384A Apparatus and method for drawing Physics 11 Expired
US6563508B1 System for and method of implementing refraction mapping Human Necessities 9 Expired
US7797705B2 System for assigning tasks according to the magnitude of the load of information processing requested Physics 9 Active
US8559798B2 Image frame processing method and device for displaying moving images to a variety of displays Electricity 8 Active
US6011564A Method and apparatus for producing an image through operation of plotting commands on image data Physics 8 Expired

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