Inventor
SUZUKI SEIZOH
JP4 patents
Patents
4 patentsUS5459601AOct 17, 1995
Optical scanner for reducing shading
RICOH KK66 citations95
US5355244AOct 11, 1994
Optical scanner for reducing shading
RICOH KK68 citations95
US4953171AAug 28, 1990
Semiconductor laser source unit
RICOH KK39 citations92
US4995710AFeb 26, 1991
Objective lens for optical disk
RICOH KK16 citations72