Inventor · disambiguated record
Kohei Ota
Also filed as: OTA KOHEI
58 granted patents·29 pending applications·653 citations·filing 1985–2025
98Inventor score
Files withKONICA CORP18KONISHIROKU PHOTO IND17KONICA MINOLTA OPTO INC13FUJIFILM CORP5YANMAR HOLDINGS CO LTD5
Top patents by PatentIndex Score
87 records- 0198US6870805B1Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONISHIROKU PHOTO IND·Filed 2000·Granted Mar 22, 2005·85 cites·32 claims
- 0296US6950384B2Optical pickup appratus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONISHIROKU PHOTO IND·Filed 2003·Granted Sep 27, 2005·39 cites·22 claims
- 0396US6898168B2Optical pick-up apparatusKONISHIROKU PHOTO IND·Filed 2001·Granted May 24, 2005·56 cites·74 claims
- 0496US6411442B1Objective lens for pickup and light pickup apparatusKONISHIROKU PHOTO IND·Filed 2000·Granted Jun 25, 2002·66 cites·41 claims
- 0593US9239392B2Radiographic imaging deviceFUJIFILM CORP·Filed 2015·Granted Jan 19, 2016·11 cites·27 claims
- 0693US7366078B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2005·Granted Apr 29, 2008·9 cites·34 claims
- 0793US6671247B1Optical pick-up apparatus, optical element, and objective lens having diffracting sectionKONISHIROKU PHOTO IND·Filed 2000·Granted Dec 30, 2003·46 cites·36 claims
- 0891US7843793B2Optical pickup apparatus, objective optical element and optical information recording reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Nov 30, 2010·8 cites·27 claims
- 0991US7672212B2Optical pickup apparatus, objective optical element and optical information recording reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Mar 2, 2010·9 cites·31 claims
- 1090US7440381B2Optical pick-up apparatusKONICA CORP·Filed 2005·Granted Oct 21, 2008·8 cites·45 claims
- 1190US6429972B1Diffraction lensKONISHIROKU PHOTO IND·Filed 2000·Granted Aug 6, 2002·50 cites·4 claims
- 1288US7164625B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2003·Granted Jan 16, 2007·12 cites·11 claims
- 1388US7151735B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2001·Granted Dec 19, 2006·14 cites·129 claims
- 1488US6404562B1Zoom lensKONISHIROKU PHOTO IND·Filed 2000·Granted Jun 11, 2002·42 cites·17 claims
- 1587US7668066B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2006·Granted Feb 23, 2010·8 cites·16 claims
- 1686US6512640B2Objective lens for pickup and light pickup apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Jan 28, 2003·17 cites·21 claims
- 1784US7656770B2Optical pickup apparatus, objective optical element and optical information recording reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Feb 2, 2010·9 cites·19 claims
- 1883US6687209B2Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording mediumKONICA MINOLTA HOLDINGS INC·Filed 2001·Granted Feb 3, 2004·29 cites·41 claims
- 1980US7173897B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2003·Granted Feb 6, 2007·7 cites·54 claims
- 2078US6728042B2Optical pick-up device and objective lens used thereinKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 27, 2004·13 cites·16 claims
- 2177US10094935B2Nuclear medicine examination apparatus and nuclear medicine examination methodDAINIPPON PRINTING CO LTD·Filed 2018·Granted Oct 9, 2018·2 cites·20 claims
- 2277US6747812B2Objective lens for optical pick-up apparatus and optical pick-up apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Jun 8, 2004·12 cites·62 claims
- 2376US7733758B2Objective lens for an optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Jun 8, 2010·2 cites·11 claims
- 2475US7948856B2Manufacturing method of an objective lens for an optical pickup apparatus and the optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted May 24, 2011·2 cites·18 claims
- 2575US7463568B2Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2007·Granted Dec 9, 2008·2 cites·38 claims
- 2674US7075880B2Optical pick-up device and objective lens used thereinKONICA CORP·Filed 2002·Granted Jul 11, 2006·10 cites·50 claims
- 2773US7173895B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2003·Granted Feb 6, 2007·4 cites·12 claims
- 2873US2025387870A1Processing apparatusEBARA CORP·Filed 2025·Application pending·0 cites
- 2968US7903528B2Optical pick-up apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Mar 8, 2011·1 cites·11 claims
- 3068US2025296571A1Travel control method, travel control program, and travel control system for work vehicle, and work vehicleYANMAR HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
- 3166US7889617B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2007·Granted Feb 15, 2011·0 cites·16 claims
- 3266US7672211B2Optical pickup apparatus, objective optical element and optical information recording reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Mar 2, 2010·2 cites·34 claims
- 3366US7668065B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2007·Granted Feb 23, 2010·0 cites·16 claims
- 3466US6349083B1Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lensKONISHIROKU PHOTO IND·Filed 1999·Granted Feb 19, 2002·18 cites·25 claims
- 3565US6185050B1Zoom lens having two lens groupsKONISHIROKU PHOTO IND·Filed 1999·Granted Feb 6, 2001·28 cites·12 claims
- 3664US12268541B2Mammography apparatusFUJIFILM CORP·Filed 2023·Granted Apr 8, 2025·0 cites·6 claims
- 3764US7924681B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2007·Granted Apr 12, 2011·1 cites·12 claims
- 3864US7173896B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element and information recording/reproducing methodKONICA CORP·Filed 2003·Granted Feb 6, 2007·2 cites·13 claims
- 3964US2025205846A1Polishing apparatus and polishing methodEBARA CORP·Filed 2024·Application pending·0 cites
- 4061US12239473B2Mammography apparatusFUJIFILM CORP·Filed 2023·Granted Mar 4, 2025·0 cites·9 claims
- 4161US2024075580A1Surface property measuring system, surface property measuring method, polishing apparatus, and polishing methodEBARA CORP·Filed 2023·Application pending·0 cites
- 4261US2008259767A1Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2008·Application pending·0 cites
- 4359US2007177481A1Optical Pick-up ApparatusKONICA CORP·Filed 2007·Application pending·0 cites
- 4459US2024298627A1Control method for sprayer, control program for sprayer, control system for sprayer, and sprayerYANMAR HOLDINGS CO LTD·Filed 2024·Application pending·0 cites
- 4557US7961583B2Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing methodKONICA CORP·Filed 2007·Granted Jun 14, 2011·0 cites·10 claims
- 4657US2025038558A1Power source apparatusJTEKT CORP·Filed 2024·Application pending·0 cites
- 4756US11102423B2Image pickup apparatus that performs flicker detection, control method for image pickup apparatus, and storage mediumCANON KK·Filed 2019·Granted Aug 24, 2021·0 cites·13 claims
- 4856US2025244771A1Method for controlling work vehicle, work vehicle control program, work vehicle control system, and work vehicleYANMAR HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
- 4956US2025244761A1Method for controlling work vehicle, work vehicle control program, work vehicle control system, and work vehicleYANMAR HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
- 5056US2025244778A1Method for controlling work vehicle, work vehicle control program, work vehicle control system, and work vehicleYANMAR HOLDINGS CO LTD·Filed 2025·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →