Inventor · Yokohama, JP

Yoshiyuki Namizuka

35Patents
11h-index
24Co-inventors
71Inventor score

Filing activity: Feb 12, 1990 → Aug 20, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7200287B2 Method and apparatus for image processing, and a computer product Physics 56 Expired
US5740333A Image processing method and image processing apparatus for converting an inputted color image into a two-color image Electricity 31 Expired
US5050221A Image generating apparatus Physics 31 Expired
US5287203A Apparatus for encoding and decoding information on recording medium Electricity 30 Expired
US5715070A Freely configurable image processing apparatus Electricity 24 Expired
US6954281B2 Method and apparatus for image processing, and a computer product Physics 21 Expired
US5687006A Image regenerating apparatus having improved character resolution and pattern gradation Electricity 20 Expired
US6763473B1 Image processing device, method for saving power consumption of the image processing device, and a computer product Emerging Cross-Sectional Technologies 18 Expired
US6934057B1 Image-processing device independently controlling each of functions that correct density of image Electricity 16 Expired
US5892852A Image processing apparatus Electricity 14 Expired
US7064863B2 Method and system for see-through image correction in image duplication Electricity 13 Expired
US6930793B1 Image processing apparatus, image processing method and computer readable recording medium for recording program for computer to execute the method Electricity 10 Expired
US7751071B2 Image reproduction apparatus, image reproduction method, and program for implementing the method on a computer Electricity 9 Active
US6862101B1 IMAGE PROCESSING APPARATUS, METHOD FOR ADDING OR UPDATING SEQUENCE OF IMAGE PROCESSING AND DATA FOR IMAGE PROCESSING IN THE IMAGE PROCESSING APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM WHERE PROGRAM FOR MAKING COMPUTER EXECUTE THE METHOD IS RECORDED Electricity 9 Expired
US5331427A Image reproducing apparatus Electricity 7 Expired
US6836346B2 Method and apparatus for image processing, and a computer product Electricity 7 Expired
US6211967A Device for high speed two beam printing with parallel processing of image data including density conversion and enhancement Physics 6 Expired
US7072058B1 Image processing apparatus Electricity 6 Expired
US7245398B2 Image-processing device independently controlling each of functions that correct density of image Electricity 6 Expired
US7580651B2 Image forming apparatus and method of controlling energy saving mode Electricity 5 Expired
US7161714B1 Apparatus and method for processing images, and computer product Electricity 5 Expired
US6963420B1 Image processing apparatus Electricity 5 Expired
US7272737B2 Image processing device, method for saving power consumption of the image processing device, and a computer product Emerging Cross-Sectional Technologies 5 Expired
US7123385B2 Image processing apparatus Electricity 5 Expired
US7038818B2 Method and apparatus for image processing method, and a computer product Electricity 3 Expired

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