P

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 patents
US4702583AOct 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 patents

KOMATSU MFG CO LTD

2 patents

PANASONIC PHOTO & LIGHTING CO

1 patent

INA HIROHIKO

1 patent