Inventor
MAMA TAKASHI
JP13 patents
Patents
13 patentsUS5627649AMay 6, 1997
Method and device for correcting a position for writing an image
RICOH KK44 citations96
US4933549AJun 12, 1990
Light beam scanning apparatus
RICOH KK54 citations95
US5803622ASep 8, 1998
Image forming device having convenient access to serviceable components
RICOH KK26 citations92
US5729353AMar 17, 1998
Method and device for correcting a position for writing an image on a transport belt
RICOH KK24 citations92
US5610651AMar 11, 1997
Image forming apparatus with frequency corrector
RICOH KK44 citations92
US5376994ADec 27, 1994
Compact BI-color electrophotographic image forming apparatus
RICOH KK36 citations92
US5309182AMay 3, 1994
Bicolor image forming apparatus for forming a bicolor image on a photoconductive element
RICOH KK26 citations92
US4914459AApr 3, 1990
Image forming apparatus
RICOH KK49 citations92
US4796265AJan 3, 1989
Imaging using collectively controlled multiple beams
RICOH KK33 citations89
US5852499ADec 22, 1998
Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper
RICOH KK11 citations74
US5729349AMar 17, 1998
Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper
RICOH KK9 citations74
US5587813ADec 24, 1996
Data transfer device for an image forming apparatus
RICOH KK16 citations73
US5084715AJan 28, 1992
Light beam scanning apparatus
RICOH KK5 citations62