Assignee
ASAHI OPTICAL CO LTD
JP·3,323 granted patents·32 pending applications·79,581 citations·filing 1973–2002
Top patents by PatentIndex Score
3,355 records- 0199USD377034SDigital cameraASAHI OPTICAL CO LTD·Filed 1996·Granted Dec 31, 1996·213 cites·1 claims
- 0299US5291234AAuto optical focus detecting device and eye direction detecting optical systemASAHI OPTICAL CO LTD·Filed 1992·Granted Mar 1, 1994·219 cites·64 claims
- 0398USD450313SRemote controllerASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 13, 2001·134 cites·1 claims
- 0498US5946501AWaterproof and/or water-resistant cameraASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 31, 1999·107 cites·3 claims
- 0598USD366262SRemote controller for cameraASAHI OPTICAL CO LTD·Filed 1994·Granted Jan 16, 1996·115 cites·1 claims
- 0698US5274406AImage projecting deviceASAHI OPTICAL CO LTD·Filed 1991·Granted Dec 28, 1993·106 cites·30 claims
- 0798US4944030ALens shutter camera including zoom lensASAHI OPTICAL CO LTD·Filed 1987·Granted Jul 24, 1990·124 cites·111 claims
- 0897US6366737B1External flash control systemASAHI OPTICAL CO LTD·Filed 2000·Granted Apr 2, 2002·75 cites·19 claims
- 0997US6206904B1Foreign body-recovering instrument for endoscopeASAHI OPTICAL CO LTD·Filed 1999·Granted Mar 27, 2001·1.4k cites·16 claims
- 1097US6118594AObjective lens for optical pick-upASAHI OPTICAL CO LTD·Filed 1999·Granted Sep 12, 2000·147 cites·11 claims
- 1197US6081076AFill-in light emitting apparatus and still video cameraASAHI OPTICAL CO LTD·Filed 1997·Granted Jun 27, 2000·62 cites·21 claims
- 1297US5640627ADisplay device in a camera finderASAHI OPTICAL CO LTD·Filed 1995·Granted Jun 17, 1997·116 cites·18 claims
- 1397US5438359AElectronic camera system using IC memory cardASAHI OPTICAL CO LTD·Filed 1993·Granted Aug 1, 1995·284 cites·11 claims
- 1497US5430518ARemote control cameraASAHI OPTICAL CO LTD·Filed 1992·Granted Jul 4, 1995·81 cites·3 claims
- 1597US4936664AZoom lens drive system for cameraASAHI OPTICAL CO LTD·Filed 1987·Granted Jun 26, 1990·70 cites·165 claims
- 1697US4841322ACamera having interchangeable lensesASAHI OPTICAL CO LTD·Filed 1988·Granted Jun 20, 1989·62 cites·23 claims
- 1797US4617914AEnd curving device for endoscopeASAHI OPTICAL CO LTD·Filed 1985·Granted Oct 21, 1986·1.1k cites·9 claims
- 1896US6423054B1Operation wire connecting part in endoscopic treating instrumentASAHI OPTICAL CO LTD·Filed 2000·Granted Jul 23, 2002·126 cites·10 claims
- 1996US6351610B1External flash control systemASAHI OPTICAL CO LTD·Filed 2000·Granted Feb 26, 2002·59 cites·16 claims
- 2096US5904647ATreatment accessories for an endoscopeASAHI OPTICAL CO LTD·Filed 1997·Granted May 18, 1999·1.5k cites·28 claims
- 2196US5485201AFill-in light emitting apparatus and still video cameraASAHI OPTICAL CO LTD·Filed 1993·Granted Jan 16, 1996·43 cites·21 claims
- 2296US5432577AElectronically controlled camera with interval time settingASAHI OPTICAL CO LTD·Filed 1991·Granted Jul 11, 1995·73 cites·20 claims
- 2396US5305032ASealing member for waterproof cameraASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 19, 1994·71 cites·11 claims
- 2496US5191373ADisplay system of a camera selective display system for a cameraASAHI OPTICAL CO LTD·Filed 1992·Granted Mar 2, 1993·70 cites·20 claims
- 2596US5007406ABending control device of endoscopeASAHI OPTICAL CO LTD·Filed 1989·Granted Apr 16, 1991·151 cites·15 claims
- 2696US4978981AExposure control deviceASAHI OPTICAL CO LTD·Filed 1989·Granted Dec 18, 1990·49 cites·19 claims
- 2796US4945376ACamera having interchangeable lensesASAHI OPTICAL CO LTD·Filed 1989·Granted Jul 31, 1990·49 cites·13 claims
- 2896US4936657AProjection type liquid-crystal video display device using a fresnel lensASAHI OPTICAL CO LTD·Filed 1986·Granted Jun 26, 1990·129 cites·25 claims
- 2996US4349254ACamera focus detecting deviceASAHI OPTICAL CO LTD·Filed 1980·Granted Sep 14, 1982·46 cites·8 claims
- 3096US4134645AMiniaturized telephoto camera lensASAHI OPTICAL CO LTD·Filed 1977·Granted Jan 16, 1979·129 cites·3 claims
- 3195US6351609B1Built-in retractable flash of a cameraASAHI OPTICAL CO LTD·Filed 2000·Granted Feb 26, 2002·61 cites·20 claims
- 3295USD450337SCable release controller for cameraASAHI OPTICAL CO LTD·Filed 2001·Granted Nov 13, 2001·60 cites·1 claims
- 3395US6191889B1Objective lens for optical pick-upASAHI OPTICAL CO LTD·Filed 1999·Granted Feb 20, 2001·110 cites·7 claims
- 3495US6113240AReflection type projectorASAHI OPTICAL CO LTD·Filed 1999·Granted Sep 5, 2000·60 cites·11 claims
- 3595US6099466AFluorescence diagnosis endoscope systemASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 8, 2000·197 cites·14 claims
- 3695US6067424ADouble dial mechanism for a cameraASAHI OPTICAL CO LTD·Filed 1998·Granted May 23, 2000·63 cites·11 claims
- 3795USD412177SBinocularsASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 20, 1999·55 cites·1 claims
- 3895US5909600ACamera structureASAHI OPTICAL CO LTD·Filed 1997·Granted Jun 1, 1999·64 cites·133 claims
- 3995US5860914ABendable portion of endoscopeASAHI OPTICAL CO LTD·Filed 1996·Granted Jan 19, 1999·185 cites·3 claims
- 4095US5815204AStrobe apparatus of a still video camera with adjustable color temperatureASAHI OPTICAL CO LTD·Filed 1997·Granted Sep 29, 1998·60 cites·40 claims
- 4195US5787321ATemperature controlling device for fixing unitASAHI OPTICAL CO LTD·Filed 1997·Granted Jul 28, 1998·88 cites·21 claims
- 4295US5713048AWaterproof and/or water-resistant cameraASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 27, 1998·68 cites·17 claims
- 4395US5346197AManual recording paper insertion mechanismASAHI OPTICAL CO LTD·Filed 1993·Granted Sep 13, 1994·67 cites·23 claims
- 4495US5160192AIlluminating instrumentASAHI OPTICAL CO LTD·Filed 1991·Granted Nov 3, 1992·53 cites·23 claims
- 4595US5144493AZoom lens barrel and camera incorporating such barrelASAHI OPTICAL CO LTD·Filed 1989·Granted Sep 1, 1992·82 cites·155 claims
- 4695US5126899AManual/automatic loading/unloading apparatusASAHI OPTICAL CO LTD·Filed 1989·Granted Jun 30, 1992·60 cites·11 claims
- 4795US5012273ALens shutter type of camera including zoom lensASAHI OPTICAL CO LTD·Filed 1990·Granted Apr 30, 1991·60 cites·27 claims
- 4895US5010357ACamera image plane size control deviceASAHI OPTICAL CO LTD·Filed 1989·Granted Apr 23, 1991·42 cites·66 claims
- 4995US4974949AZoom lens barrelASAHI OPTICAL CO LTD·Filed 1988·Granted Dec 4, 1990·125 cites·27 claims
- 5095US4946378AArtificial intervertebral discASAHI OPTICAL CO LTD·Filed 1988·Granted Aug 7, 1990·862 cites·12 claims
Showing the top 50 of 3,355 patent records by PatentIndex Score.
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