Inventor · disambiguated record
Akira Akashi
Also filed as: AKASHI AKIRA
92 granted patents·3 pending applications·1,683 citations·filing 1982–2014
99Inventor score
Files withCANON KK83KOBELCO ECO SOLUTIONS CO LTD4SHINKO PANTEC CO LTD4KONISHIROKU PHOTO IND2MATSUOKA KEIICHI1
Top patents by PatentIndex Score
95 records- 0197US4448509AInterchangeable lens barrel with signal transfer contactsCANON KK·Filed 1982·Granted May 15, 1984·51 cites·5 claims
- 0292US4437752ASafety device for camera and accessoryCANON KK·Filed 1982·Granted Mar 20, 1984·27 cites·7 claims
- 0390US4643557AExposure control apparatusCANON KK·Filed 1985·Granted Feb 17, 1987·29 cites·5 claims
- 0486US5634141AVisual axis detection device capable of reducing detection errors due to variations of eyes among individualsCANON KK·Filed 1995·Granted May 27, 1997·24 cites·56 claims
- 0585US4859842AMulti-directional focus state detection apparatusCANON KK·Filed 1989·Granted Aug 22, 1989·54 cites·34 claims
- 0683US4969003AAutofocus deviceCANON KK·Filed 1989·Granted Nov 6, 1990·47 cites·9 claims
- 0782US6383387B2Method for treating organic waste waterSHINKO PANTEC CO LTD·Filed 2000·Granted May 7, 2002·24 cites·7 claims
- 0881US5721967AEquipment having line of sight detecting meansCANON KK·Filed 1997·Granted Feb 24, 1998·18 cites·12 claims
- 0981US5543887ADevice for detecting line of sightCANON KK·Filed 1993·Granted Aug 6, 1996·20 cites·75 claims
- 1081US4709138AApparatus for detecting shake of image of objectCANON KK·Filed 1986·Granted Nov 24, 1987·42 cites·14 claims
- 1180US5198856ACamera having camera-shake detecting deviceCANON KK·Filed 1991·Granted Mar 30, 1993·20 cites·16 claims
- 1280US4974002AAutomatic focus adjusting deviceCANON KK·Filed 1989·Granted Nov 27, 1990·40 cites·10 claims
- 1379US4908645AAutomatic focus adjusting deviceCANON KK·Filed 1989·Granted Mar 13, 1990·38 cites·18 claims
- 1476US5367153AApparatus for detecting the focus adjusting state of an objective lens by performing filter processingCANON KK·Filed 1992·Granted Nov 22, 1994·43 cites·15 claims
- 1576US5151583AFocus adjustment device having restricting means for restricting a selecting action according to the degree of nearness of a distance measurementCANON KK·Filed 1991·Granted Sep 29, 1992·41 cites·99 claims
- 1676US4980716AFocus detecting deviceCANON KK·Filed 1989·Granted Dec 25, 1990·34 cites·23 claims
- 1776US4812869AFocus detecting apparatusCANON KK·Filed 1987·Granted Mar 14, 1989·35 cites·3 claims
- 1875US5241167APhotosensor device including means for designating a plurality of pixel blocks of any desired sizeCANON KK·Filed 1991·Granted Aug 31, 1993·33 cites·14 claims
- 1974US4636056AElectrical power supply circuit in a cameraCANON KK·Filed 1984·Granted Jan 13, 1987·11 cites·17 claims
- 2071US8364313B2Robot systemYASKAWA DENKI SEISAKUSHO KK·Filed 2007·Granted Jan 29, 2013·6 cites·5 claims
- 2171US5061951AAuto focus deviceCANON KK·Filed 1990·Granted Oct 29, 1991·35 cites·19 claims
- 2271US4728785AFocus detecting device using adjustable inclined sensing meansCANON KK·Filed 1986·Granted Mar 1, 1988·28 cites·7 claims
- 2370US4972221ACamera having an automatic focus adjusting apparatusCANON KK·Filed 1988·Granted Nov 20, 1990·28 cites·10 claims
- 2470US4670645AFocus detecting device with shading reduction optical filterCANON KK·Filed 1984·Granted Jun 2, 1987·22 cites·8 claims
- 2570US4555169AFocus detecting device for a cameraCANON KK·Filed 1984·Granted Nov 26, 1985·23 cites·24 claims
- 2668US5913079AOptical apparatus having a line of sight detection deviceCANON KK·Filed 1996·Granted Jun 15, 1999·32 cites·30 claims
- 2768US4914282AFocus detection system employing multiple area light distribution sensorsCANON KK·Filed 1989·Granted Apr 3, 1990·26 cites·21 claims
- 2866US5485004APhotosensor device including means for designating a plurality of pixel blocks of any desired sizeCANON KK·Filed 1995·Granted Jan 16, 1996·27 cites·39 claims
- 2966US5151732AAutomatic focusing apparatusCANON KK·Filed 1991·Granted Sep 29, 1992·28 cites·16 claims
- 3065US4792819ACamera having automatic focusing deviceCANON KK·Filed 1988·Granted Dec 20, 1988·23 cites·25 claims
- 3165US4698492AFocus detector system with a distortion compensation maskCANON KK·Filed 1985·Granted Oct 6, 1987·23 cites·4 claims
- 3264US4618236AFocus detecting apparatusCANON KK·Filed 1984·Granted Oct 21, 1986·18 cites·3 claims
- 3363US7543153B2Digital signature generating apparatus, method, computer program and computer-readable storage mediumCANON KK·Filed 2004·Granted Jun 2, 2009·8 cites·10 claims
- 3463US7197157B2Image sensing apparatus and method for adaptively embedding a watermark into an imageCANON KK·Filed 2001·Granted Mar 27, 2007·10 cites·2 claims
- 3563US4705380AAutomatic focusing deviceCANON KK·Filed 1986·Granted Nov 10, 1987·22 cites·3 claims
- 3662US9133043B2Biological treatment method for treating waste water and controlling COD loading rate per bacterium and COD concentration in effluentMATSUOKA KEIICHI·Filed 2010·Granted Sep 15, 2015·2 cites·5 claims
- 3762US5126777AAutomatic focusing apparatus in which sensor signals are amplified with different gains depending on the photographing modeCANON KK·Filed 1991·Granted Jun 30, 1992·24 cites·31 claims
- 3862US4792668AApparatus for detecting focusing state of objective lensCANON KK·Filed 1986·Granted Dec 20, 1988·21 cites·10 claims
- 3962US4676623ASolid-state imaging deviceCANON KK·Filed 1985·Granted Jun 30, 1987·21 cites·10 claims
- 4062US4634255AFocus detection apparatusCANON KK·Filed 1985·Granted Jan 6, 1987·21 cites·14 claims
- 4162US4617459AAutomatic focusing device with low light contrast inhibiting meansCANON KK·Filed 1983·Granted Oct 14, 1986·17 cites·4 claims
- 4261US6106717AMethod for treating organic waste waterSHINKO PANTEC CO LTD·Filed 1998·Granted Aug 22, 2000·18 cites·8 claims
- 4359US5694623ALine of sight detecting device, and equipment comprising the deviceCANON KK·Filed 1995·Granted Dec 2, 1997·6 cites·38 claims
- 4459US5333028AAutomatic focusing apparatus detecting focus for a plurality of areas and using contrast levelsCANON KK·Filed 1992·Granted Jul 26, 1994·20 cites·10 claims
- 4559US5311241AFocus detecting apparatus detecting focus to a plurality of areasCANON KK·Filed 1992·Granted May 10, 1994·17 cites·6 claims
- 4659US4855776ACamera with automatic focusing deviceCANON KK·Filed 1988·Granted Aug 8, 1989·19 cites·17 claims
- 4759US4825239ADistance detection method and apparatusCANON KK·Filed 1988·Granted Apr 25, 1989·18 cites·14 claims
- 4858US5060002AAutomatic focus adjusting deviceCANON KK·Filed 1989·Granted Oct 22, 1991·18 cites·41 claims
- 4958US4572643ACamera capable of operating in an automatic focus adjusting mode and a manual focus adjusting modeCANON KK·Filed 1984·Granted Feb 25, 1986·14 cites·18 claims
- 5057US5784655AFocus detecting apparatus having photoelectric area sensorsCANON KK·Filed 1995·Granted Jul 21, 1998·18 cites·3 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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