Inventor · disambiguated record
Ken Kitamura
Also filed as: KITAMURA KEN
23 granted patents·10 pending applications·100 citations·filing 2000–2023
94Inventor score
Files withKITAMURA KEN8CITIZEN WATCH CO LTD5SONY CORP4TOITA MASATO4SONY OLYMPUS MEDICAL SOLUTIONS INC3
Top patents by PatentIndex Score
33 records- 0195US9293670B2Ultraviolet light-emitting devices and methodsTOITA MASATO·Filed 2015·Granted Mar 22, 2016·35 cites·30 claims
- 0289US10383963B2Ultraviolet light-emitting devices and methodsTOITA MASATO·Filed 2016·Granted Aug 20, 2019·6 cites·32 claims
- 0388US9935247B2Photon extraction from ultraviolet light-emitting devicesKITAMURA KEN·Filed 2015·Granted Apr 3, 2018·5 cites·46 claims
- 0488US7855720B2Digital-to-analog converter and image display deviceSONY CORP·Filed 2007·Granted Dec 21, 2010·9 cites·11 claims
- 0587US9906212B2Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatusSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2017·Granted Feb 27, 2018·5 cites·17 claims
- 0686US9608614B2Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatusSONY CORP·Filed 2014·Granted Mar 28, 2017·6 cites·13 claims
- 0785US10615786B2Comparator circuit, A/D conversion circuit, and display apparatusSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2018·Granted Apr 7, 2020·4 cites·11 claims
- 0880US9548431B2Ultraviolet light-emitting devices and methodsTOITA MASATO·Filed 2016·Granted Jan 17, 2017·3 cites·37 claims
- 0976US11150612B2Portable radio-controlled watchCITIZEN WATCH CO LTD·Filed 2017·Granted Oct 19, 2021·3 cites·13 claims
- 1074US10347805B2Photon extraction from ultraviolet light-emitting devicesKITAMURA KEN·Filed 2018·Granted Jul 9, 2019·1 cites·21 claims
- 1173US10187048B2Comparator circuit, A/D conversion circuit, and display apparatusSONY CORP·Filed 2014·Granted Jan 22, 2019·4 cites·5 claims
- 1271US11515455B2Photon extraction from ultraviolet light-emitting devicesKITAMURA KEN·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 1371US10854797B2Photon extraction from ultraviolet light-emitting devicesKITAMURA KEN·Filed 2019·Granted Dec 1, 2020·0 cites·28 claims
- 1466US6936806B1Photoelectric conversion device and solid-state image sensing device using the sameMINOLTA CO LTD·Filed 2000·Granted Aug 30, 2005·13 cites·29 claims
- 1565US8189320B2Capacitative elementKITAMURA KEN·Filed 2009·Granted May 29, 2012·3 cites·7 claims
- 1664US9599968B2Satellite radio-controlled wristwatchCITIZEN HOLDINGS CO LTD·Filed 2013·Granted Mar 21, 2017·1 cites·8 claims
- 1763US8823687B2Signal line drive circuit, display device and electronic apparatusKITAMURA KEN·Filed 2010·Granted Sep 2, 2014·1 cites·19 claims
- 1857US2025387053A1Medical light source device and medical observation systemSONY OLYMPUS MEDICAL SOLUTIONS INC·Filed 2023·Application pending·0 cites
- 1956US2025205907A1Lifting head and lifting deviceTORAY ENG CO LTD·Filed 2023·Application pending·0 cites
- 2053US11262061B2Storage caseSONY OLYMPUS MEDICAL SOLUTIONS INC·Filed 2021·Granted Mar 1, 2022·0 cites·19 claims
- 2150US11656582B2Radio wave watchCITIZEN WATCH CO LTD·Filed 2018·Granted May 23, 2023·0 cites·12 claims
- 2249USD1050091SRadio frequency identification tagMEET CO LTD·Filed 2022·Granted Nov 5, 2024·1 cites·1 claims
- 2349US10777706B2Electrochemical removal of aluminum nitride substrates for electronic and optoelectronic devicesKITAMURA KEN·Filed 2018·Granted Sep 15, 2020·0 cites·40 claims
- 2449US2010101660A1Channel switching systemKONICA MINOLTA HOLDINGS INC·Filed 2008·Application pending·0 cites
- 2547US2022364952A1Medical lighting deviceSONY OLYMPUS MEDICAL SOLUTIONS INC·Filed 2020·Application pending·0 cites
- 2643US2005010807A1Information processing apparatus used by a plurality of different operators, and method and program for use in the information processing apparatusFiled 2004·Application pending·0 cites
- 2742US11942569B2Methods and packages for enhancing reliability of ultraviolet light-emitting devicesTOITA MASATO·Filed 2018·Granted Mar 26, 2024·0 cites·32 claims
- 2841US8960862B2Ink-jet head and ink-jet drawing device including sameKITAMURA KEN·Filed 2012·Granted Feb 24, 2015·0 cites·7 claims
- 2941US2025096016A1Positioning device and mounting device using sameTORAY ENG CO LTD·Filed 2022·Application pending·0 cites
- 3041US2020089170A1Radio-controlled watchCITIZEN WATCH CO LTD·Filed 2018·Application pending·0 cites
- 3137US2010328289A1Signal-line driving circuit, display apparatus and electronic apparatusSONY CORP·Filed 2010·Application pending·0 cites
- 3235US2020301371A1Portable radio-controlled watchCITIZEN WATCH CO LTD·Filed 2017·Application pending·0 cites
- 3335US2019094817A1Portable radio-controlled watchCITIZEN WATCH CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →