Inventor
HANYU YOSHIAKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HANYU YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS5555360ASep 10, 1996
Graphics processing apparatus for producing output data at edges of an output image defined by vector data
RICOH KK64 citations95
US5357583AOct 18, 1994
Graphics processing apparatus for smoothing edges of images
RICOH KK38 citations92
US4935821AJun 19, 1990
Image processing apparatus for multi-media copying machine
RICOH KK51 citations92
US6184997B1Feb 6, 2001
Variable-length reversible image data compression process
RICOH KK31 citations91
US5325474AJun 28, 1994
Graphic output device including antialiasing capability governed by decisions regarding slope of edge data
RICOH KK34 citations90
US5704020ADec 30, 1997
Page printer resolution converting method, and variable-length reversible compression process
RICOH KK16 citations81
US7131124B2Oct 31, 2006
System and apparatus for and method of downloading a program, image formation apparatus, and computer product
RICOH KK9 citations74
US5995658ANov 30, 1999
Image processing device and image output device converting binary image into multi-valued image
RICOH KK10 citations74
US5812742ASep 22, 1998
Apparatus and method for processing two-tone image data so as to smooth image and convert each image pixel into a plurality of pixels
RICOH KK12 citations74
US5611023AMar 11, 1997
Apparatus and method for processing two-tone image data so as to smooth and magnify image
RICOH KK10 citations74
US5574833ANov 12, 1996
Image processing apparatus for the smooth enlargement and multileveling output of an image
RICOH KK17 citations74
US5697712ADec 16, 1997
Image processing method and apparatus
RICOH KK13 citations73
US5351315ASep 27, 1994
Apparatus for smoothing outlines of images
RICOH KK11 citations73
US5579450ANov 26, 1996
Image processing apparatus involving comparison of densities of three contiguous pixels
RICOH KK14 citations72
US5404431AApr 4, 1995
Image drawing with improved area ratio approximation process
RICOH KK16 citations72
US6147766ANov 14, 2000
Printing apparatus for increasing efficiency in transmitting image data between internal control units
RICOH KK5 citations62
US4987553AJan 22, 1991
Straight line drawing control apparatus
RICOH KK5 citations62
US5835685ANov 10, 1998
Page printer, resolution converting method, and variable-length reversible compression process
RICOH KK2 citations61
HITACHI LTD
4 patentsUS4586819AMay 6, 1986
Laser Raman microprobe
HITACHI LTD140 citations97
US4505586AMar 19, 1985
Laser Raman spectrophotometry system and adjustment thereof
HITACHI LTD32 citations92
US4313989AFeb 2, 1982
Magnetic recording medium
HITACHI LTD5 citations68
US4394404AJul 19, 1983
Method for producing magnetic recording medium
HITACHI LTD3 citations57