Inventor
MACHIDA TETSUO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MACHIDA TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS4809345AFeb 28, 1989
Method of and apparatus for enlarging/reducing two-dimensional images
HITACHI LTD142 citations99
US4785296ANov 15, 1988
Method and system for displaying image data
HITACHI LTD163 citations98
US4748678AMay 31, 1988
Method of storing and retrieving image data
HITACHI LTD138 citations98
US4574364AMar 4, 1986
Method and apparatus for controlling image display
HITACHI LTD171 citations98
US5559932ASep 24, 1996
Printer and computer system with detachable built-in printer
HITACHI LTD252 citations97
US4610026ASep 2, 1986
Method of and apparatus for enlarging/reducing two-dimensional images
HITACHI LTD56 citations96
US4829294AMay 9, 1989
Document processing method and system using multiwindow
HITACHI LTD89 citations93
US4658349AApr 14, 1987
Direct memory access control circuit and data processing system using said circuit
HITACHI LTD77 citations93
US4808989AFeb 28, 1989
Display control apparatus
HITACHI LTD37 citations92
US4511962AApr 16, 1985
Memory control unit
HITACHI LTD33 citations92
US4866520ASep 12, 1989
Video system for displaying lower resolution video signals on higher resolution video monitors
HITACHI LTD56 citations91
US5448485ASep 5, 1995
Route information input apparatus and method thereof
HITACHI LTD27 citations86
US5117468AMay 26, 1992
Image processing system capable of carrying out local processing for image at high speed
HITACHI LTD16 citations73
US5052046ASep 24, 1991
Image processing method and apparatus therefor
HITACHI LTD15 citations73
US4974196ANov 27, 1990
Method of processing commands for cataloged procedure in multi-window system
HITACHI LTD20 citations69
US5068802ANov 26, 1991
Graphic drawing method and system with input coordinates automatically adjustable
HITACHI LTD18 citations67
US7003179B2Feb 21, 2006
Sheet-recognizing machine
HITACHI LTD3 citations60
SONY CORP
8 patentsUS5340528AAug 23, 1994
Injection/compression molding method, a die for injection/compression molding and an injection/compression molding machine
SONY CORP93 citations96
US5161081ANov 3, 1992
Disk cartridge made by injecting molten synthetic resin into a mold so that flash lines, weld lines and burn marks do not occur
SONY CORP24 citations93
US5385461AJan 31, 1995
Injection molding machine for making a magnetic tape cassette
SONY CORP20 citations92
US3991956ANov 16, 1976
Tape cassette
SONY CORP45 citations92
US5372770ADec 13, 1994
Injection molding method, injection molding machine, injection molding die and half case of magnetic tape cassette
SONY CORP12 citations74
US4131243ADec 26, 1978
Tape cassette
SONY CORP18 citations74
US4062506ADec 13, 1977
Tape cassette with features for preventing the tape from moving up or downwardly relative to the cassette
SONY CORP8 citations74
US4706149ANov 10, 1987
Tape cassette
SONY CORP19 citations73