Inventor
HAMADA NAGAHARU
20 patents
Patents
20 patentsUS4733308AMar 22, 1988
Control method of vertical scan speed
HITACHI LTD232 citations97
US4200869AApr 29, 1980
Data display control system with plural refresh memories
HITACHI LTD56 citations94
US4237543ADec 2, 1980
Microprocessor controlled display system
HITACHI LTD54 citations92
US4104624AAug 1, 1978
Microprocessor controlled CRT display system
HITACHI LTD40 citations92
US5943045AAug 24, 1999
Image file, generation method thereof, and image display apparatus
HITACHI LTD20 citations90
US5761339AJun 2, 1998
Method and recording medium for separating and composing background and character image data
HITACHI LTD22 citations90
US5826035AOct 20, 1998
Image display apparatus
HITACHI LTD28 citations89
US4228430AOct 14, 1980
CRT Display apparatus with changeable cursor indicia
HITACHI LTD46 citations88
US4649401AMar 10, 1987
Thermal recording apparatus
HITACHI LTD21 citations82
US3997891ADec 14, 1976
Light pen detection system
HITACHI LTD31 citations81
US4156904AMay 29, 1979
Computer systems having a common memory shared between a central processor and a CRT display
HITACHI LTD20 citations77
US4597016AJun 24, 1986
Encoding/decoding system
HITACHI LTD13 citations74
US4149264AApr 10, 1979
CRT display apparatus of raster scanning type
HITACHI LTD14 citations74
US4231032AOct 28, 1980
Variable accuracy trend graph display apparatus
HITACHI LTD9 citations73
US4307393ADec 22, 1981
Trend graph display system
HITACHI LTD20 citations72
US6088479AJul 11, 2000
Method and recording medium for separating and composing background and character image data
HITACHI LTD14 citations71
US4713699ADec 15, 1987
A method of controlling the movement of a medium to be printed
HITACHI LTD7 citations69
US4694351ASep 15, 1987
Picture signal processing apparatus
HITACHI LTD11 citations69
US4809215AFeb 28, 1989
Information processing system having decode, write and read means
HITACHI LTD5 citations61
US5657248AAug 12, 1997
Image display apparatus
HITACHI LTD4 citations59