Inventor
IDA MASATOSHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “IDA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
27 patentsUS4746990AMay 24, 1988
Detachable unit electronic camera
OLYMPUS OPTICAL CO52 citations96
US4873580AOct 10, 1989
Detachable unit electronic camera
OLYMPUS OPTICAL CO36 citations92
US4599653AJul 8, 1986
Focus indicator apparatus for an electronic camera
OLYMPUS OPTICAL CO41 citations92
US4540881ASep 10, 1985
Method of detecting focusing conditions
OLYMPUS OPTICAL CO31 citations92
US4518863AMay 21, 1985
Static induction transistor image sensor with noise reduction
OLYMPUS OPTICAL CO33 citations92
US4492449AJan 8, 1985
Apparatus and technique for detecting and controlling the focusing of an optical system by image sharpness and lateral shift techniques
OLYMPUS OPTICAL CO28 citations92
US4811118AMar 7, 1989
Detachable unit electronic camera
OLYMPUS OPTICAL CO17 citations82
US4562346ADec 31, 1985
Apparatus and method for detecting focus condition of imaging optical system employing both sharpness detection and lateral shift detection
OLYMPUS OPTICAL CO26 citations82
US4483602ANov 20, 1984
Apparatus for detecting a focusing condition of an objective lens
OLYMPUS OPTICAL CO24 citations82
US5012362AApr 30, 1991
Apparatus for positioning a transducer for recording, reproducing or erasing information on a medium
OLYMPUS OPTICAL CO7 citations74
US4575626AMar 11, 1986
Apparatus for detecting focus conditions of an imaging optical system
OLYMPUS OPTICAL CO17 citations74
US4563705AJan 7, 1986
Automatic focus controlling apparatus and method
OLYMPUS OPTICAL CO12 citations74
US4556908ADec 3, 1985
Solid state image sensor
OLYMPUS OPTICAL CO12 citations74
US4453818AJun 12, 1984
Method of automatically adjusting focus conditions
OLYMPUS OPTICAL CO9 citations74
US4270152AMay 26, 1981
Magnetic tape reproduction device
OLYMPUS OPTICAL CO11 citations74
US4503467AMar 5, 1985
Analog-digital converting apparatus
OLYMPUS OPTICAL CO7 citations73
US4316657AFeb 23, 1982
Apparatus for electrically detecting focal point of cameras or the like optical devices
OLYMPUS OPTICAL CO8 citations73
US4641215AFeb 3, 1987
Exposure control device for electronic photographing apparatus
OLYMPUS OPTICAL CO11 citations71
US5130868AJul 14, 1992
Apparatus and method for positioning a transducer for recording, reproducing or erasing information on a medium
OLYMPUS OPTICAL CO3 citations63
US4827365AMay 2, 1989
Assembly for accessing information recording medium
OLYMPUS OPTICAL CO3 citations63
US4701605AOct 20, 1987
Apparatus and method for detecting focus condition of an imaging optical system
OLYMPUS OPTICAL CO2 citations63
US4593188AJun 3, 1986
Apparatus and method for detecting focus condition of an imaging optical system
OLYMPUS OPTICAL CO2 citations63
US4274116AJun 16, 1981
Tape recorder
OLYMPUS OPTICAL CO6 citations63
US4195319AMar 25, 1980
Apparatus for detecting information index signal from magnetic tape
OLYMPUS OPTICAL CO6 citations63
US4443079AApr 17, 1984
Method and apparatus for detecting focus condition of objective lens
OLYMPUS OPTICAL CO4 citations62
US4255654AMar 10, 1981
Method of electrically detecting focal point of cameras or the like optical devices
OLYMPUS OPTICAL CO5 citations62
US4428009AJan 24, 1984
Superminiature tape recorder
OLYMPUS OPTICAL CO0 citations49