Inventor · disambiguated record
Akira Ogasawara
Also filed as: OGASAWARA AKIRA
52 granted patents·4 pending applications·590 citations·filing 1979–2025
98Inventor score
Files withNIKON CORP23NIPPON KOGAKU KK22MURATA MANUFACTURING CO4KONISHIROKU PHOTO IND3OGASAWARA AKIRA2
Top patents by PatentIndex Score
56 records- 0195US6748165B2Photographing system and photographic information transmission systemNIKON CORP·Filed 2002·Granted Jun 8, 2004·49 cites·20 claims
- 0287US6295413B1Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobeNIKON CORP·Filed 2000·Granted Sep 25, 2001·24 cites·23 claims
- 0385US8854536B2External device operable in synchronization with camera wirelessly connected thereto, and camera operable in synchronization with external device wirelessly connected theretoOGASAWARA AKIRA·Filed 2009·Granted Oct 7, 2014·10 cites·33 claims
- 0484US5204233APhotographic silver halide element having coated particlesKONISHIROKU PHOTO IND·Filed 1991·Granted Apr 20, 1993·13 cites·3 claims
- 0582US4496229AApparatus for transmitting information signals in a cameraNIPPON KOGAKU KK·Filed 1983·Granted Jan 29, 1985·16 cites·13 claims
- 0677US4758859AControl apparatus for cameraNIPPON KOGAKU KK·Filed 1986·Granted Jul 19, 1988·16 cites·21 claims
- 0774US9185305B2Photography system, camera, and photography illumination deviceOGASAWARA AKIRA·Filed 2010·Granted Nov 10, 2015·3 cites·14 claims
- 0874US4965502ADrive controlling apparatusNIKON CORP·Filed 1989·Granted Oct 23, 1990·31 cites·6 claims
- 0974US4460257AFocus regulating device for camera with automatic exposure controlNIPPON KOGAKU KK·Filed 1983·Granted Jul 17, 1984·11 cites·5 claims
- 1073US4340819APhotoelectric element array with automatic control of the charge storage timeNIPPON KOGAKU KK·Filed 1981·Granted Jul 20, 1982·21 cites·9 claims
- 1170US7945154B2Information communication device and external deviceNIKON CORP·Filed 2009·Granted May 17, 2011·2 cites·28 claims
- 1268US5594715AExposure control device of a camera and methodNIKON CORP·Filed 1995·Granted Jan 14, 1997·9 cites·19 claims
- 1367US5130226ASilver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1991·Granted Jul 14, 1992·8 cites·14 claims
- 1465US4362956AAbsolute value circuitNIPPON KOGAKU KK·Filed 1980·Granted Dec 7, 1982·18 cites·6 claims
- 1565US2025350303A1High-frequency moduleMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 1664US4447719AAutomatic focus adjusting apparatus using weighted average meansNIPPON KOGAKU KK·Filed 1982·Granted May 8, 1984·18 cites·11 claims
- 1763US4772909ALens drive control apparatus for automatic focusingNIPPON KOGAKU KK·Filed 1987·Granted Sep 20, 1988·22 cites·15 claims
- 1861US7756412B2Light emission control circuit of flash deviceNIKON CORP·Filed 2007·Granted Jul 13, 2010·1 cites·5 claims
- 1961US6571062B2Electric flash device predicting quantity of overrun light according to target quantity of emissionNIKON CORP·Filed 2001·Granted May 27, 2003·8 cites·10 claims
- 2061US4297571AFocus detecting deviceNIPPON KOGAKU KK·Filed 1980·Granted Oct 27, 1981·18 cites·4 claims
- 2161US2025247071A1Acoustic wave filter and high frequency moduleMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 2260US5502538AFocus detection deviceNIKON CORP·Filed 1995·Granted Mar 26, 1996·25 cites·12 claims
- 2360US2025112666A1Radio frequency circuitMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 2459US5768639ADiaphragm controlling device for a cameraNIKON CORP·Filed 1997·Granted Jun 16, 1998·6 cites·5 claims
- 2557US4723139ACamera having an auto-focusing deviceNIPPON KOGAKU KK·Filed 1987·Granted Feb 2, 1988·15 cites·20 claims
- 2656US6795647B2Flash control device and flash control systemNIKON CORP·Filed 2003·Granted Sep 21, 2004·3 cites·16 claims
- 2756US5652664AImage sensorNIKON CORP·Filed 1995·Granted Jul 29, 1997·19 cites·9 claims
- 2856US5270763AAuto-focusing deviceNIKON CORP·Filed 1992·Granted Dec 14, 1993·16 cites·5 claims
- 2956US4473286AAutomatic focusing device of a cameraNIPPON KOGAKU KK·Filed 1982·Granted Sep 25, 1984·14 cites·11 claims
- 3056US2025233603A1Composite filter component and radio frequency moduleMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3155US4336450AFocus detecting apparatusNIPPON KOGAKU KK·Filed 1980·Granted Jun 22, 1982·14 cites·9 claims
- 3252US5574535AAuto-focusing deviceNIKON CORP·Filed 1995·Granted Nov 12, 1996·14 cites·6 claims
- 3352US4634851AControl device for automatic focusingNIPPON KOGAKU KK·Filed 1986·Granted Jan 6, 1987·15 cites·15 claims
- 3451US4841324ACamera having an auto-focusing deviceNIKON CORP·Filed 1987·Granted Jun 20, 1989·12 cites·6 claims
- 3551US4368383ASystem for focus detection utilizing a photoelectric sensor arrayNIPPON KOGAKU KK·Filed 1981·Granted Jan 11, 1983·4 cites·13 claims
- 3650US4319238ACamera display deviceNIPPON KOGAKU KK·Filed 1980·Granted Mar 9, 1982·11 cites·2 claims
- 3749US5239332AAutomatic focusing device of camera for moving object photographyNIKON CORP·Filed 1991·Granted Aug 24, 1993·14 cites·26 claims
- 3848US4506150AAutomatic focus adjusting device with a brightness dependent lens drive signalNIPPON KOGAKU KK·Filed 1983·Granted Mar 19, 1985·10 cites·10 claims
- 3947US5189459AAutomatic focusing apparatusNIKON CORP·Filed 1991·Granted Feb 23, 1993·13 cites·12 claims
- 4046US5862417AAutomatic focus adjustment apparatusNIKON CORP·Filed 1997·Granted Jan 19, 1999·12 cites·8 claims
- 4146US4291224ALight image space frequency component extracting deviceNIPPON KOGAKU KK·Filed 1979·Granted Sep 22, 1981·8 cites·4 claims
- 4245US4613224AMotor driver for auto-focus cameraNIPPON KOGAKU KK·Filed 1985·Granted Sep 23, 1986·11 cites·17 claims
- 4338US5477302AAutomatic focus adjustment apparatus for moving object photographyNIKON CORP·Filed 1995·Granted Dec 19, 1995·7 cites·13 claims
- 4438US4306143ADevice for extracting a plurality of space frequency componentsNIPPON KOGAKU KK·Filed 1980·Granted Dec 15, 1981·6 cites·4 claims
- 4537US4414469AAutomatic focusing apparatus with detection only when the lens is stationaryNIPPON KOGAKU KK·Filed 1981·Granted Nov 8, 1983·5 cites·9 claims
- 4636US5330330AElectromagnetically operated fixed displacement pumpIWAKI CO LTD·Filed 1993·Granted Jul 19, 1994·9 cites·8 claims
- 4735US5600398AAutomatic focus adjustment device and methodNIKON CORP·Filed 1995·Granted Feb 4, 1997·5 cites·21 claims
- 4835US4422739AAuto focus cameraNIPPON KOGAKU KK·Filed 1981·Granted Dec 27, 1983·4 cites·5 claims
- 4935US4318598AAutomatic focusing device in a cameraNIPPON KOGAKU KK·Filed 1979·Granted Mar 9, 1982·4 cites·2 claims
- 5033US5418594AFocal point detection apparatusNIKON CORP·Filed 1993·Granted May 23, 1995·4 cites·26 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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