Inventor
SHIBATA ISAMU
JP13 patents
Patents
13 patentsUS4856011AAug 8, 1989
Semiconductor laser control circuit
RICOH KK88 citations96
US5059774AOct 22, 1991
Seek and track control for a rectangular optical card handling apparatus
RICOH KK33 citations92
US4717925AJan 5, 1988
Optical scanner without extra convergent lens
RICOH KK38 citations92
US4663760AMay 5, 1987
Semiconductor laser output control device
RICOH KK36 citations92
US4173402ANov 6, 1979
Optoelectronic sensing apparatus
RICOH KK35 citations92
US4763334AAug 9, 1988
Laser beam emitting apparatus
RICOH KK38 citations89
US4899344AFeb 6, 1990
Semiconductor laser control apparatus
RICOH KK21 citations81
US5326678AJul 5, 1994
High dielectric polymeric optical recording medium
RICOH KK9 citations73
US4729617AMar 8, 1988
Scanning clock generating device for optical scanner
RICOH KK18 citations73
US4064443ADec 20, 1977
Control system for D.C. motor
RICOH KK12 citations73
US4618958AOct 21, 1986
Device for controlling the radiating output of a semiconductor laser
RICOH KK18 citations72
US4585297AApr 29, 1986
Light deflector
RICOH KK18 citations72
US5341355AAug 23, 1994
Multibeam optical pickup and servo method thereof
RICOH KK4 citations62