Assignee
LEITZ ERNST GMBH
DE·205 granted patents·3,583 citations·filing 1973–2019
Top patents by PatentIndex Score
205 records- 0196US3945124AContact sensor for workpiece caliperingLEITZ ERNST GMBH·Filed 1974·Granted Mar 23, 1976·105 cites·7 claims
- 0295US3981736ABiocompatible glass ceramic materialLEITZ ERNST GMBH·Filed 1975·Granted Sep 21, 1976·109 cites·4 claims
- 0394US4168326AProsthesis parts provided with a coating of a bio-active material, process of making same, and method of using them for bone replacementLEITZ ERNST GMBH·Filed 1976·Granted Sep 18, 1979·104 cites·16 claims
- 0493US4501527ADevice for automatically transporting disk shaped objectsLEITZ ERNST GMBH·Filed 1983·Granted Feb 26, 1985·90 cites·14 claims
- 0593US4233650ABrightness control for fiber optical lampsLEITZ ERNST GMBH·Filed 1978·Granted Nov 11, 1980·37 cites·5 claims
- 0693US4218613AAmplifier for electric signalsLEITZ ERNST GMBH·Filed 1978·Granted Aug 19, 1980·37 cites·10 claims
- 0790US4127778AOptical correlatorLEITZ ERNST GMBH·Filed 1977·Granted Nov 28, 1978·39 cites·12 claims
- 0890US4127318ADirect illumination apparatus for light and dark field illuminationLEITZ ERNST GMBH·Filed 1976·Granted Nov 28, 1978·74 cites·17 claims
- 0989US5025147ASensor for converting a distance to optical and further to electrical energy, and surface scanning apparatus using sameLEITZ ERNST GMBH·Filed 1988·Granted Jun 18, 1991·39 cites·32 claims
- 1089US4273430APhotographic cameraLEITZ ERNST GMBH·Filed 1980·Granted Jun 16, 1981·26 cites·6 claims
- 1188US4141032AMethod of and apparatus for the expansion of the range of the depth of focus beyond the limit given by conventional imagesLEITZ ERNST GMBH·Filed 1977·Granted Feb 20, 1979·58 cites·14 claims
- 1287US4595829AApparatus for automatically focusing objects to be viewed in optical instrumentsLEITZ ERNST GMBH·Filed 1983·Granted Jun 17, 1986·60 cites·20 claims
- 1387US4365356AProsthesis parts provided with a coating of a bio-active materialLEITZ ERNST GMBH·Filed 1980·Granted Dec 28, 1982·159 cites·23 claims
- 1487US4131597ABioactive composite material process of producing and method of using sameLEITZ ERNST GMBH·Filed 1976·Granted Dec 26, 1978·164 cites·23 claims
- 1586US4714721AComposite plastics-based material for prosthesis purposesLEITZ ERNST GMBH·Filed 1985·Granted Dec 22, 1987·81 cites·26 claims
- 1686US4176276APhotoelectric incident light distance measuring deviceLEITZ ERNST GMBH·Filed 1977·Granted Nov 27, 1979·42 cites·6 claims
- 1785USD276351SInverted image microscopeLEITZ ERNST GMBH·Filed 1983·Granted Nov 13, 1984·22 cites·1 claims
- 1885US4199248ASelective coupling system for camerasLEITZ ERNST GMBH·Filed 1977·Granted Apr 22, 1980·19 cites·3 claims
- 1985US4163150AProcess and apparatus for automatically realizing Kohler's principle of illuminationLEITZ ERNST GMBH·Filed 1977·Granted Jul 31, 1979·46 cites·22 claims
- 2084US4695215ADevice for automatically transporting disk shaped objectsLEITZ ERNST GMBH·Filed 1985·Granted Sep 22, 1987·63 cites·12 claims
- 2184US4369581AMethod and apparatus for the determination of the axis of rotation of a circular table in multiple coordinate measuring instrumentsLEITZ ERNST GMBH·Filed 1980·Granted Jan 25, 1983·46 cites·15 claims
- 2284US4284327AMicroscope with attachable illuminating devicesLEITZ ERNST GMBH·Filed 1980·Granted Aug 18, 1981·50 cites·7 claims
- 2383US4329013ABinocular telescope with internal focusingLEITZ ERNST GMBH·Filed 1980·Granted May 11, 1982·43 cites·9 claims
- 2483US4135935ASintered composite material, a process of making same, and a method of using sameLEITZ ERNST GMBH·Filed 1977·Granted Jan 23, 1979·36 cites·2 claims
- 2582US4117325AOptical objective focus indicator and displayLEITZ ERNST GMBH·Filed 1977·Granted Sep 26, 1978·14 cites·1 claims
- 2682US3930713AIncident light illumination instrument for selective light and dark field illuminationLEITZ ERNST GMBH·Filed 1974·Granted Jan 6, 1976·43 cites·6 claims
- 2781US4195425ASystem for measuring position and/or velocityLEITZ ERNST GMBH·Filed 1978·Granted Apr 1, 1980·34 cites·17 claims
- 2880US4408877ADevice for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometerLEITZ ERNST GMBH·Filed 1980·Granted Oct 11, 1983·41 cites·10 claims
- 2979US4619503ATransmitted light and/or incident light inverse microscopeLEITZ ERNST GMBH·Filed 1982·Granted Oct 28, 1986·38 cites·37 claims
- 3079US4135819AApparatus for measuring the aggregation rate of particlesLEITZ ERNST GMBH·Filed 1977·Granted Jan 23, 1979·36 cites·10 claims
- 3178US4626905APanoramic view apparatusLEITZ ERNST GMBH·Filed 1984·Granted Dec 2, 1986·31 cites·9 claims
- 3278US4455910ATraversing microtome with air bearingsLEITZ ERNST GMBH·Filed 1982·Granted Jun 26, 1984·31 cites·11 claims
- 3378US4308457ADevice for the detection of back-scattered electrons from a sample in an electron microscopeLEITZ ERNST GMBH·Filed 1980·Granted Dec 29, 1981·33 cites·11 claims
- 3478US4302087AMicroscope attachment cameraLEITZ ERNST GMBH·Filed 1980·Granted Nov 24, 1981·36 cites·6 claims
- 3577US4047022AAuto focus with spatial filtering and pairwise interrogation of photoelectric diodesLEITZ ERNST GMBH·Filed 1976·Granted Sep 6, 1977·33 cites·7 claims
- 3676US4195909AScanning grating for a focus detectorLEITZ ERNST GMBH·Filed 1976·Granted Apr 1, 1980·30 cites·4 claims
- 3775US4786934APhotographic camera having an interchangeable lensLEITZ ERNST GMBH·Filed 1987·Granted Nov 22, 1988·24 cites·10 claims
- 3875US4040846AOptical fluorophosphate glass and process of making sameLEITZ ERNST GMBH·Filed 1976·Granted Aug 9, 1977·29 cites·24 claims
- 3974US3960579ATitanium dioxide containing glasses having a high index of refraction and a high dispersion and process of producing sameLEITZ ERNST GMBH·Filed 1975·Granted Jun 1, 1976·29 cites·6 claims
- 4073USD292412SBinocularLEITZ ERNST GMBH·Filed 1984·Granted Oct 20, 1987·12 cites·1 claims
- 4173USD272362SBinocularLEITZ ERNST GMBH·Filed 1981·Granted Jan 24, 1984·11 cites·1 claims
- 4272US4961636ARevolving nose piece for optical components and process for adjusting the number of revolutions thereofLEITZ ERNST GMBH·Filed 1988·Granted Oct 9, 1990·33 cites·15 claims
- 4372US4455755AApparatus for sensing test values at test samplesLEITZ ERNST GMBH·Filed 1982·Granted Jun 26, 1984·23 cites·11 claims
- 4472US4071297AMethod and apparatus for photoelectrically determining the position of at least one image focus planeLEITZ ERNST GMBH·Filed 1976·Granted Jan 31, 1978·25 cites·47 claims
- 4571US4054887AExposure control device for photographic camerasLEITZ ERNST GMBH·Filed 1976·Granted Oct 18, 1977·9 cites·7 claims
- 4670US4881897ATooth-root implant with long-term resistance to repetitive stressesLEITZ ERNST GMBH·Filed 1987·Granted Nov 21, 1989·42 cites·32 claims
- 4770US4798948AField stop for dark field illumination in autofocus optical deviceLEITZ ERNST GMBH·Filed 1987·Granted Jan 17, 1989·31 cites·22 claims
- 4870US4712897ADevice for adjustment of the viewfinder eyepiece of a cameraLEITZ ERNST GMBH·Filed 1986·Granted Dec 15, 1987·13 cites·11 claims
- 4970US4706048AWide-band matching network for piezoelectric transducerLEITZ ERNST GMBH·Filed 1985·Granted Nov 10, 1987·19 cites·5 claims
- 5069US4881802ACombined bright field-dark field incident light illumination apparatusLEITZ ERNST GMBH·Filed 1988·Granted Nov 21, 1989·41 cites·26 claims
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