Inventor
KONDO MITSUSHIGE
JP16 patents
Patents
16 patentsUS5142387AAug 25, 1992
Projection-type display device having light source means including a first and second concave mirrors
MITSUBISHI ELECTRIC CORP124 citations98
US5135300AAug 4, 1992
Projection color display apparatus
MITSUBISHI ELECTRIC CORP57 citations96
US4672187AJun 9, 1987
Focusing error detecting device in head assembly for optical disc
MITSUBISHI ELECTRIC CORP64 citations95
US5321789AJun 14, 1994
Projection display apparatus, and light guide tube/light valve for use in the same
MITSUBISHI ELECTRIC CORP33 citations92
US5123729AJun 23, 1992
Projection display device
MITSUBISHI ELECTRIC CORP28 citations92
US4817072AMar 28, 1989
Optical head utilizing diffraction grating
MITSUBISHI ELECTRIC CORP33 citations92
US4718052AJan 5, 1988
Head assembly for optical disc
MITSUBISHI ELECTRIC CORP46 citations92
US5691785ANov 25, 1997
Color projection type display apparatus having three liquid displays of same structure
MITSUBISHI ELECTRIC CORP16 citations82
US4363961ADec 14, 1982
Automatic focusing apparatus
MITSUBISHI ELECTRIC CORP21 citations82
US4502134AFeb 26, 1985
Optical disc signal reproducing system with tilt immunization
MITSUBISHI ELECTRIC CORP25 citations81
US4823335AApr 18, 1989
Optical head device having deflection means including means for reducing reflected light angle
MITSUBISHI ELECTRIC CORP21 citations78
US5570209AOct 29, 1996
Color projection type display apparatus having three liquid crystal displays of same structure
MITSUBISHI ELECTRIC CORP12 citations74
US5138222AAug 11, 1992
Projection cathode ray tube having an interference filter
MITSUBISHI ELECTRIC CORP10 citations74
US4811329AMar 7, 1989
Optical head with laser having particular source of driving current
MITSUBISHI ELECTRIC CORP18 citations74
US4797545AJan 10, 1989
Optical head device having positionally adjustable parts
MITSUBISHI ELECTRIC CORP11 citations74
US5248518ASep 28, 1993
Projection cathode ray tube
MITSUBISHI ELECTRIC CORP2 citations63