Inventor
ISHIKAWA KATSUJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA KATSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEST ELECTRIC CO
20 patentsUS4702583AOct 27, 1987
Drive device for lens barrel and diaphragm shutter
WEST ELECTRIC CO32 citations92
US4531157AJul 23, 1985
Method and apparatus for automatic focusing in video camera
WEST ELECTRIC CO20 citations82
US4472742ASep 18, 1984
Video and sound recording device with automatic focusing system
WEST ELECTRIC CO20 citations82
US4065776ADec 27, 1977
Camera with automatic flash exposure system
WEST ELECTRIC CO20 citations82
US4695144ASep 22, 1987
Drive apparatus of lens and exposure mechanism by motor
WEST ELECTRIC CO18 citations74
US4632530ADec 30, 1986
Automatic film winding system
WEST ELECTRIC CO12 citations74
US4084169AApr 11, 1978
Automatic film advancing system
WEST ELECTRIC CO13 citations74
US4079390AMar 14, 1978
Aperture setting device for use with exposure control device
WEST ELECTRIC CO10 citations74
US4053907AOct 11, 1977
Program-controlled shutter
WEST ELECTRIC CO18 citations74
US4041512AAug 9, 1977
Light control device
WEST ELECTRIC CO8 citations74
US4021826AMay 3, 1977
Camera control device
WEST ELECTRIC CO8 citations74
US4017872AApr 12, 1977
Shutter for camera
WEST ELECTRIC CO7 citations74
US4016574AApr 5, 1977
Program-controlled shutter
WEST ELECTRIC CO7 citations74
US4009866AMar 1, 1977
Exposure control device
WEST ELECTRIC CO13 citations74
US4005448AJan 25, 1977
Programmed shutter
WEST ELECTRIC CO17 citations74
US3997905ADec 14, 1976
Program-controlled shutter
WEST ELECTRIC CO8 citations74
US4487494ADec 11, 1984
Automatic focusing apparatus using ultrasonic wave
WEST ELECTRIC CO4 citations63
US4467362AAug 21, 1984
Apparatus and method for transmitting ultrasonic wave
WEST ELECTRIC CO0 citations52
US4224555ASep 23, 1980
Electronic flash with automatic duration control
WEST ELECTRIC CO1 citations52
US4072963AFeb 7, 1978
Programme-controlled shutter
WEST ELECTRIC CO0 citations42
AISAN IND
4 patentsUS6777852B2Aug 17, 2004
Stator core of torque motor
AISAN IND29 citations91
US5764124AJun 9, 1998
Ignition coil for an internal combustion engine
AISAN IND29 citations91
US7137614B2Nov 21, 2006
Valve devices for controlling flow of intake air
AISAN IND16 citations84
US5781092AJul 14, 1998
Ignition coil for an internal combustion engine
AISAN IND11 citations72