Inventor · disambiguated record
Toru Kosaka
Also filed as: KOSAKA TORU
43 granted patents·11 pending applications·347 citations·filing 1989–2025
98Inventor score
Top patents by PatentIndex Score
54 records- 0196US9746812B2Power supply unit and image forming apparatusOKI DATA KK·Filed 2016·Granted Aug 29, 2017·14 cites·18 claims
- 0292US9740158B2Power supply unit and image forming apparatusOKI DATA KK·Filed 2016·Granted Aug 22, 2017·5 cites·14 claims
- 0387US5732310AImage forming apparatus having cleaning device for cleaning intermediate transfer memberCANON KK·Filed 1996·Granted Mar 24, 1998·42 cites·29 claims
- 0483US8174200B2Piezoelectric transformer driving device, cold-cathode tube inverter, cold-cathode tube driving device, and image forming apparatusKOSAKA TORU·Filed 2010·Granted May 8, 2012·7 cites·14 claims
- 0582US5701568AImage forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer member and contact transfer deviceCANON KK·Filed 1996·Granted Dec 23, 1997·33 cites·10 claims
- 0680US5809373AImage forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drumCANON KK·Filed 1996·Granted Sep 15, 1998·30 cites·8 claims
- 0778US2025096217A1Method of manufacturing semiconductor composite deviceOKI ELECTRIC IND CO LTD·Filed 2024·Application pending·0 cites
- 0877US8350550B2Power unit using computed frequency ratio and image forming apparatusOKI DATA KK·Filed 2010·Granted Jan 8, 2013·5 cites·14 claims
- 0977US5826118ACamera having a controller to determine a reference position of a lens barrelNIKON CORP·Filed 1997·Granted Oct 20, 1998·15 cites·10 claims
- 1075US9007785B2Power supply, image forming device, and piezoelectric transducer control methodKOSAKA TORU·Filed 2012·Granted Apr 14, 2015·2 cites·18 claims
- 1173US8265511B2Power source device and image forming apparatusKOSAKA TORU·Filed 2009·Granted Sep 11, 2012·4 cites·14 claims
- 1271US9625862B2Heater control device and image forming apparatusOKI DATA KK·Filed 2015·Granted Apr 18, 2017·1 cites·12 claims
- 1371US5721981AOperation control device for a cameraNIKON CORP·Filed 1997·Granted Feb 24, 1998·11 cites·2 claims
- 1470US4962400AZooming control device for cameraNIKON CORP·Filed 1989·Granted Oct 9, 1990·27 cites·8 claims
- 1567US12191292B2Composite integrated film, composite integrated film supply wafer, and semiconductor composite deviceOKI ELECTRIC IND CO LTD·Filed 2021·Granted Jan 7, 2025·0 cites·19 claims
- 1667US8948642B2High-voltage power-supply apparatus, and image formation apparatusKOSAKA TORU·Filed 2012·Granted Feb 3, 2015·2 cites·14 claims
- 1766US2025241046A1Semiconductor element unit and method of manufacturing thereof, semiconductor element unit supply substrate, and semiconductor packaging circuit and method of manufacturing thereofOKI ELECTRIC IND CO LTD·Filed 2025·Application pending·0 cites
- 1864US9477185B2Heater control unit and image forming apparatusOKI DATA KK·Filed 2015·Granted Oct 25, 2016·1 cites·21 claims
- 1963US5006700ADistance-measuring apparatus for cameraNIKON CORP·Filed 1990·Granted Apr 9, 1991·25 cites·8 claims
- 2060US12328928B2Semiconductor element unit and method of manufacturing thereof, semiconductor element unit supply substrate, and semiconductor packaging circuit and method of manufacturing thereofOKI ELECTRIC IND CO LTD·Filed 2021·Granted Jun 10, 2025·0 cites·11 claims
- 2158US5298698AEncoder switch with conductive patterns and leadsNIKON CORP·Filed 1991·Granted Mar 29, 1994·17 cites·2 claims
- 2257US2024332080A1Manufacturing method of substrate unit, and substrate unitOKI ELECTRIC IND CO LTD·Filed 2024·Application pending·0 cites
- 2354US5696853AImage processing system having variably controllable pixel density patternsCANON KK·Filed 1993·Granted Dec 9, 1997·14 cites·16 claims
- 2454US5172155ARemote control apparatus for an auto-focus cameraNIKON CORP·Filed 1991·Granted Dec 15, 1992·18 cites·18 claims
- 2554US4969007AElectronic flash apparatus for camerasNIKON CORP·Filed 1989·Granted Nov 6, 1990·5 cites·2 claims
- 2653US2023320217A1Piezoelectric-body film joint substrate and manufacturing method thereofOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 2753US2023320224A1Piezoelectric-body film joint substrate and manufacturing method thereofOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 2852US9880498B2Heater control device and image formation apparatusOKI DATA KK·Filed 2016·Granted Jan 30, 2018·0 cites·20 claims
- 2952US2024145239A1Manufacturing method of semiconductor element, semiconductor layer support structure, and semiconductor substrateOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 3052US2024145631A1Manufacturing method of semiconductor element, semiconductor layer support structure, and semiconductor substrateOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 3152US2023320228A1Piezoelectric film integrated device, manufacturing method thereof, and acoustic oscillation sensorOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 3252US2023320219A1Piezoelectric film integrated device, manufacturing method thereof, and acoustic oscillation sensorOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 3351US11714381B2Humidity detection device and image forming apparatusOKI ELECTRIC IND CO LTD·Filed 2020·Granted Aug 1, 2023·0 cites·17 claims
- 3449US9141019B2Power-supply device and image formation apparatusOKI DATA KK·Filed 2014·Granted Sep 22, 2015·0 cites·15 claims
- 3549US5517276AActive distance measuring apparatus with the remote control functionNIKON CORP·Filed 1995·Granted May 14, 1996·15 cites·6 claims
- 3649US5023648AFlash taking lens shutter cameraNIKON CORP·Filed 1989·Granted Jun 11, 1991·5 cites·4 claims
- 3749US2023420427A1Semiconductor device, method of manufacturing the same, and led display deviceOKI ELECTRIC IND CO LTD·Filed 2023·Application pending·0 cites
- 3848US5765052ACamera with plurality of camera modes and methodsNIKON CORP·Filed 1997·Granted Jun 9, 1998·3 cites·27 claims
- 3946US5109244AElectronic flash apparatus for camerasNIKON CORP·Filed 1990·Granted Apr 28, 1992·4 cites·8 claims
- 4045US9915908B2Image forming apparatus with varying heater voltageOKI DATA KK·Filed 2016·Granted Mar 13, 2018·0 cites·12 claims
- 4144US8319395B2Power supply device and image forming apparatusKOSAKA TORU·Filed 2010·Granted Nov 27, 2012·0 cites·16 claims
- 4244US5184167ADistance metering device of a cameraNIKON CORP·Filed 1991·Granted Feb 2, 1993·4 cites·2 claims
- 4343US2014293659A1High-voltage generating apparatus, high-voltage power supply, and image forming apparatusOKI DATA KK·Filed 2014·Application pending·0 cites
- 4442US9063717B2Power supply apparatus and image formation apparatusKOSAKA TORU·Filed 2012·Granted Jun 23, 2015·0 cites·25 claims
- 4541US5446550AImage forming apparatus with random density pattern growthCANON KK·Filed 1993·Granted Aug 29, 1995·7 cites·23 claims
- 4640US9250590B2Power supply device and image formation apparatusKOSAKA TORU·Filed 2012·Granted Feb 2, 2016·0 cites·27 claims
- 4740US4909624AActive distance measuring apparatusNIKON CORP·Filed 1989·Granted Mar 20, 1990·8 cites·9 claims
- 4839US8476889B2Piezoelectric transformer driving device controlled by variable reference voltage values and image forming deviceKOSAKA TORU·Filed 2010·Granted Jul 2, 2013·0 cites·21 claims
- 4938US5764006AMotor driving circuit and method for driving two motorsNIKON CORP·Filed 1995·Granted Jun 9, 1998·7 cites·18 claims
- 5038US5563676ACamera having standard and panoramic focusing modesNIKON CORP·Filed 1995·Granted Oct 8, 1996·7 cites·20 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →