Inventor · disambiguated record
Walter Bletz
Also filed as: BLETZ WALTER · HOLLE WERNER
14 granted patents·133 citations·filing 1975–1999
91Inventor score
Top patents by PatentIndex Score
14 records- 0193US4218613AAmplifier for electric signalsLEITZ ERNST GMBH·Filed 1978·Granted Aug 19, 1980·37 cites·10 claims
- 0282US4117325AOptical objective focus indicator and displayLEITZ ERNST GMBH·Filed 1977·Granted Sep 26, 1978·14 cites·1 claims
- 0376US4195909AScanning grating for a focus detectorLEITZ ERNST GMBH·Filed 1976·Granted Apr 1, 1980·30 cites·4 claims
- 0471US4054887AExposure control device for photographic camerasLEITZ ERNST GMBH·Filed 1976·Granted Oct 18, 1977·9 cites·7 claims
- 0569US4639134AProcess and circuit arrangement for amplifying an input currentLEITZ ERNST GMBH·Filed 1984·Granted Jan 27, 1987·14 cites·16 claims
- 0657US4541700AMethod and devices for transferring electrical signal information between a photographic lens and cameraLEITZ ERNST GMBH·Filed 1983·Granted Sep 17, 1985·16 cites·16 claims
- 0747US4047189AElectronic storage, indicator and exposure time control device for photographic camerasLEITZ ERNST GMBH·Filed 1976·Granted Sep 6, 1977·3 cites·12 claims
- 0842US4015275ADigital timer for a photographic camera shutterLEITZ ERNST GMBH·Filed 1975·Granted Mar 29, 1977·2 cites·4 claims
- 0938US6175695B1Manually operable flashlight unitLEICA CAMERA AG·Filed 1999·Granted Jan 16, 2001·1 cites·16 claims
- 1031US5907727ADevice for exposure meteringLEICA CAMERA AG·Filed 1997·Granted May 25, 1999·0 cites·22 claims
- 1131US4694155ACircuit arrangement to ascertain and indicate that a luminous density limit condition is exceededLEITZ ERNST GMBH·Filed 1985·Granted Sep 15, 1987·1 cites·6 claims
- 1231US4647175ACircuit arrangement for an electronic exposure meterLEITZ ERNST GMBH·Filed 1985·Granted Mar 3, 1987·1 cites·2 claims
- 1330US4737668ACircuit arrangement for reducing the settling time of logarithmic amplifiersLEITZ ERNST GMBH·Filed 1986·Granted Apr 12, 1988·5 cites·14 claims
- 1428US4080611AApparatus for storing a voltage analogous to an exposure parameter in photographic camerasLEITZ ERNST GMBH·Filed 1976·Granted Mar 21, 1978·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →