P

Inventor

OGASAWARA AKIRA

52 patents
⚠️ This page may combine multiple inventors who share the name “OGASAWARA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIKON CORP

23 patents
US6748165B2Jun 8, 2004

Photographing system and photographic information transmission system

NIKON CORP49 citations93
US6295413B1Sep 25, 2001

Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobe

NIKON CORP24 citations93
US5652664AJul 29, 1997

Image sensor

NIKON CORP19 citations93
US5502538AMar 26, 1996

Focus detection device

NIKON CORP25 citations93
US4965502AOct 23, 1990

Drive controlling apparatus

NIKON CORP31 citations93
US5270763ADec 14, 1993

Auto-focusing device

NIKON CORP16 citations82
US6571062B2May 27, 2003

Electric flash device predicting quantity of overrun light according to target quantity of emission

NIKON CORP8 citations74
US5862417AJan 19, 1999

Automatic focus adjustment apparatus

NIKON CORP12 citations74
US5594715AJan 14, 1997

Exposure control device of a camera and method

NIKON CORP9 citations74
US5574535ANov 12, 1996

Auto-focusing device

NIKON CORP14 citations74
US5477302ADec 19, 1995

Automatic focus adjustment apparatus for moving object photography

NIKON CORP7 citations74
US5239332AAug 24, 1993

Automatic focusing device of camera for moving object photography

NIKON CORP14 citations74
US5189459AFeb 23, 1993

Automatic focusing apparatus

NIKON CORP13 citations74
US4841324AJun 20, 1989

Camera having an auto-focusing device

NIKON CORP12 citations74
US7945154B2May 17, 2011

Information communication device and external device

NIKON CORP2 citations63
US6795647B2Sep 21, 2004

Flash control device and flash control system

NIKON CORP3 citations63
US5768639AJun 16, 1998

Diaphragm controlling device for a camera

NIKON CORP6 citations63
US5600398AFeb 4, 1997

Automatic focus adjustment device and method

NIKON CORP5 citations63
US5418594AMay 23, 1995

Focal point detection apparatus

NIKON CORP4 citations63
US5212515AMay 18, 1993

Auto-focusing apparatus

NIKON CORP3 citations63
US5177525AJan 5, 1993

Control method for an auto focus apparatus

NIKON CORP3 citations63
US5153630AOct 6, 1992

Auto focus controlling system

NIKON CORP4 citations63
US7756412B2Jul 13, 2010

Light emission control circuit of flash device

NIKON CORP1 citations52

NIPPON KOGAKU KK

22 patents
US4772909ASep 20, 1988

Lens drive control apparatus for automatic focusing

NIPPON KOGAKU KK22 citations82
US4340819AJul 20, 1982

Photoelectric element array with automatic control of the charge storage time

NIPPON KOGAKU KK21 citations82
US4723139AFeb 2, 1988

Camera having an auto-focusing device

NIPPON KOGAKU KK15 citations74
US4634851AJan 6, 1987

Control device for automatic focusing

NIPPON KOGAKU KK15 citations74
US4613224ASep 23, 1986

Motor driver for auto-focus camera

NIPPON KOGAKU KK11 citations74
US4506150AMar 19, 1985

Automatic focus adjusting device with a brightness dependent lens drive signal

NIPPON KOGAKU KK10 citations74
US4496229AJan 29, 1985

Apparatus for transmitting information signals in a camera

NIPPON KOGAKU KK16 citations74
US4473286ASep 25, 1984

Automatic focusing device of a camera

NIPPON KOGAKU KK14 citations74
US4460257AJul 17, 1984

Focus regulating device for camera with automatic exposure control

NIPPON KOGAKU KK11 citations74
US4447719AMay 8, 1984

Automatic focus adjusting apparatus using weighted average means

NIPPON KOGAKU KK18 citations74
US4336450AJun 22, 1982

Focus detecting apparatus

NIPPON KOGAKU KK14 citations74
US4319238AMar 9, 1982

Camera display device

NIPPON KOGAKU KK11 citations74
US4297571AOct 27, 1981

Focus detecting device

NIPPON KOGAKU KK18 citations74
US4291224ASep 22, 1981

Light image space frequency component extracting device

NIPPON KOGAKU KK8 citations74
US4758859AJul 19, 1988

Control apparatus for camera

NIPPON KOGAKU KK16 citations73
US4362956ADec 7, 1982

Absolute value circuit

NIPPON KOGAKU KK18 citations73
US4422739ADec 27, 1983

Auto focus camera

NIPPON KOGAKU KK4 citations63
US4414469ANov 8, 1983

Automatic focusing apparatus with detection only when the lens is stationary

NIPPON KOGAKU KK5 citations63
US4368383AJan 11, 1983

System for focus detection utilizing a photoelectric sensor array

NIPPON KOGAKU KK4 citations63
US4318598AMar 9, 1982

Automatic focusing device in a camera

NIPPON KOGAKU KK4 citations63
US4306143ADec 15, 1981

Device for extracting a plurality of space frequency components

NIPPON KOGAKU KK6 citations63
US4695150ASep 22, 1987

Diaphragm-control apparatus for camera

NIPPON KOGAKU KK1 citations52

OGASAWARA AKIRA

2 patents

KONISHIROKU PHOTO IND

2 patents

IWAKI CO LTD

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.