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 patentsUS6748165B2Jun 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 patentsUS4772909ASep 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 patentsUS8854536B2Oct 7, 2014
External device operable in synchronization with camera wirelessly connected thereto, and camera operable in synchronization with external device wirelessly connected thereto
OGASAWARA AKIRA10 citations82
US9185305B2Nov 10, 2015
Photography system, camera, and photography illumination device
OGASAWARA AKIRA3 citations61
KONISHIROKU PHOTO IND
2 patentsIWAKI CO LTD
1 patentShowing the top 50 of 52 patents by PatentIndex Score.