Inventor
TOKUMARU HISASHI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “TOKUMARU HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
32 patentsUS4951075AAug 21, 1990
Zoom camera
MINOLTA CAMERA KK87 citations96
US4903065AFeb 20, 1990
Focus condition detecting device
MINOLTA CAMERA KK23 citations93
US5327290AJul 5, 1994
Compact size zoom lens system
MINOLTA CAMERA KK45 citations92
US4591235AMay 27, 1986
Zoom lens system
MINOLTA CAMERA KK31 citations92
US4516839AMay 14, 1985
Zoom lens system
MINOLTA CAMERA KK33 citations92
US5105311AApr 14, 1992
Zoom lens system having high zoom ratio ranging to wide field angle
MINOLTA CAMERA KK27 citations91
US5274414ADec 28, 1993
Camera having a varifocal lens
MINOLTA CAMERA KK15 citations82
US5258802ANov 2, 1993
Camera system which compensates for defocusing during operation
MINOLTA CAMERA KK19 citations82
US5196877AMar 23, 1993
Viewfinder framing device for zoom lens camera
MINOLTA CAMERA KK20 citations82
US4846562AJul 11, 1989
Zoom lens system
MINOLTA CAMERA KK22 citations82
US4759617AJul 26, 1988
Zoom lens system
MINOLTA CAMERA KK23 citations82
US4636040AJan 13, 1987
Zoom lens system
MINOLTA CAMERA KK24 citations82
US4448499AMay 15, 1984
Image transmitter for copying apparatus of slit exposure scanning type
MINOLTA CAMERA KK21 citations82
US5640223AJun 17, 1997
Camera having a varifocal lens
MINOLTA CAMERA KK5 citations74
US5369460ANov 29, 1994
Camera having a varifocal lens
MINOLTA CAMERA KK10 citations74
US5365297ANov 15, 1994
Camera system with zoom lens having presettable focal lengths
MINOLTA CAMERA KK6 citations74
US5122825AJun 16, 1992
Zoom camera
MINOLTA CAMERA KK15 citations74
US4916473AApr 10, 1990
Focus detection apparatus
MINOLTA CAMERA KK10 citations74
US4908505AMar 13, 1990
System for detecting the focus condition of a cata-dioptric lens and interchangeable lens for use therewith
MINOLTA CAMERA KK9 citations74
US4844600AJul 4, 1989
Zoom lens system
MINOLTA CAMERA KK10 citations74
US4806003AFeb 21, 1989
Inverted-telephoto type wide angle lens system
MINOLTA CAMERA KK16 citations74
US4794416ADec 27, 1988
Focus detection apparatus
MINOLTA CAMERA KK8 citations74
US4764000AAug 16, 1988
Telephoto lens system with three relatively shiftable lens groups
MINOLTA CAMERA KK11 citations74
US4474459AOct 2, 1984
Optical projection system
MINOLTA CAMERA KK10 citations74
US4449793AMay 22, 1984
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK14 citations74
US5153777AOct 6, 1992
Compact-size zoom lens system
MINOLTA CAMERA KK17 citations73
US4234894ANov 18, 1980
Reflecting optical system for projection television
MINOLTA CAMERA KK10 citations73
US5274409ADec 28, 1993
Camera with multiple lens driving modes
MINOLTA CAMERA KK5 citations63
US5084722AJan 28, 1992
Focus condition detecting device
MINOLTA CAMERA KK5 citations63
US4382662AMay 10, 1983
Inverted telephoto type wide angle lens system
MINOLTA CAMERA KK2 citations63
US4878076AOct 31, 1989
Exposure controlling system and interchangeable lens therefor
MINOLTA CAMERA KK1 citations52
US4286847ASep 1, 1981
Lightweight inverted telephoto type wide angle lens system
MINOLTA CAMERA KK1 citations52