Inventor · disambiguated record
Keisuke Ogawa
Also filed as: OGAWA KEISUKE
50 granted patents·16 pending applications·40 citations·filing 1981–2025
96Inventor score
Files withSHIMADZU CORP16MURATA MANUFACTURING CO12JTEKT CORP9GOODMAN CO LTD7PANASONIC IP MAN CO LTD5
Top patents by PatentIndex Score
66 records- 0195US12278610B2Multilayer LC filterMURATA MANUFACTURING CO·Filed 2023·Granted Apr 15, 2025·1 cites·20 claims
- 0295US12034426B2Multilayer filterMURATA MANUFACTURING CO·Filed 2022·Granted Jul 9, 2024·4 cites·14 claims
- 0394US12278609B2Filter device and radio-frequency front-end circuit including the sameMURATA MANUFACTURING CO·Filed 2023·Granted Apr 15, 2025·3 cites·18 claims
- 0492US12244283B2LC resonator and LC filterMURATA MANUFACTURING CO·Filed 2022·Granted Mar 4, 2025·2 cites·20 claims
- 0588US11394911B2Imaging systemOLYMPUS CORP·Filed 2021·Granted Jul 19, 2022·2 cites·10 claims
- 0686US12244287B2Filter device and multiplexerMURATA MANUFACTURING CO·Filed 2022·Granted Mar 4, 2025·1 cites·16 claims
- 0785US10874837B2Balloon catheterGOODMAN CO LTD·Filed 2017·Granted Dec 29, 2020·8 cites·28 claims
- 0885US10842971B2Balloon catheterGOODMAN CO LTD·Filed 2017·Granted Nov 24, 2020·10 cites·4 claims
- 0980US2025392280A1Filter circuit and filter deviceMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 1076US10041914B1Degassing deviceSHIMADZU CORP·Filed 2017·Granted Aug 7, 2018·1 cites·4 claims
- 1175US11307179B2Liquid feeding device and fluid chromatographSHIMADZU CORP·Filed 2017·Granted Apr 19, 2022·2 cites·6 claims
- 1275US10302604B2Solvent delivery device and liquid chromatographSHIMADZU CORP·Filed 2013·Granted May 28, 2019·2 cites·4 claims
- 1374US9877368B2Optical analyzerSHIMADZU CORP·Filed 2016·Granted Jan 23, 2018·1 cites·3 claims
- 1471US12238436B2Imaging device, endoscope system, and imaging methodOLYMPUS MEDICAL SYSTEMS CORP·Filed 2023·Granted Feb 25, 2025·0 cites·9 claims
- 1570US10663043B2Ball screw device and steering system including ball screw deviceJTEKT CORP·Filed 2017·Granted May 26, 2020·1 cites·7 claims
- 1668US10046791B2Moisture sensor and steering systemJTEKT CORP·Filed 2016·Granted Aug 14, 2018·2 cites·4 claims
- 1768US2025330137A1Filter deviceMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 1865US2025168529A1Imaging device, endoscope system, and imaging methodOLYMPUS MEDICAL SYSTEMS CORP·Filed 2025·Application pending·0 cites
- 1964US12292423B2Liquid chromatographic system and method of cleaning the same, and computer readable mediumSHIMADZU CORP·Filed 2022·Granted May 6, 2025·0 cites·13 claims
- 2062US2022297261A1Underwater polishing system and underwater polishing methodSEIKO EPSON CORP·Filed 2022·Application pending·0 cites
- 2160US12512815B2Filter device and high-frequency front-end circuit provided with the sameMURATA MANUFACTURING CO·Filed 2023·Granted Dec 30, 2025·0 cites·20 claims
- 2260US12375055B2Filter device and radio frequency front-end circuit including the sameMURATA MANUFACTURING CO·Filed 2022·Granted Jul 29, 2025·0 cites·20 claims
- 2360US12323129B2Resonator and filterSOSHIN ELECTRIC·Filed 2020·Granted Jun 3, 2025·0 cites·10 claims
- 2460US12259372B2Method of cleaning liquid chromatographic system and liquid chromatographic systemSHIMADZU CORP·Filed 2022·Granted Mar 25, 2025·0 cites·13 claims
- 2559US12408828B2Imaging device and endoscope systemOLYMPUS MEDICAL SYSTEMS CORP·Filed 2023·Granted Sep 9, 2025·0 cites·8 claims
- 2659US12287314B2Method of cleaning liquid chromatographic system and liquid chromatographic systemSHIMADZU CORP·Filed 2022·Granted Apr 29, 2025·0 cites·9 claims
- 2759US2005192861A1Advertisement management methodFiled 2003·Application pending·0 cites
- 2857US12306148B2Analysis system and analysis execution methodSHIMADZU CORP·Filed 2021·Granted May 20, 2025·0 cites·7 claims
- 2956US12451853B2Filter device and radio-frequency front-end circuitMURATA MANUFACTURING CO·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 3056US2021077790A1Balloon CatheterGOODMAN CO LTD·Filed 2020·Application pending·0 cites
- 3155US12023456B2Balloon catheterGOODMAN CO LTD·Filed 2020·Granted Jul 2, 2024·0 cites·13 claims
- 3255US11742558B2FilterSOSHIN ELECTRIC·Filed 2019·Granted Aug 29, 2023·0 cites·13 claims
- 3355US11605871B2Resonator and filterSOSHIN ELECTRIC·Filed 2019·Granted Mar 14, 2023·0 cites·17 claims
- 3455US2024199097A1Rail-guided carrier systemMURATA MACHINERY LTD·Filed 2022·Application pending·0 cites
- 3553US11921094B2Liquid chromatographic systemSHIMADZU CORP·Filed 2019·Granted Mar 5, 2024·0 cites·8 claims
- 3653US2022126069A1CatheterGOODMAN CO LTD·Filed 2022·Application pending·0 cites
- 3752US12119801B2Multilayer LC filterMURATA MANUFACTURING CO·Filed 2022·Granted Oct 15, 2024·0 cites·18 claims
- 3852US11746777B2Liquid sending deviceSHIMADZU CORP·Filed 2018·Granted Sep 5, 2023·0 cites·4 claims
- 3951US12105069B2Liquid sending system for liquid chromatographSHIMADZU CORP·Filed 2019·Granted Oct 1, 2024·0 cites·9 claims
- 4051US12092099B2Liquid feeding deviceSHIMADZU CORP·Filed 2017·Granted Sep 17, 2024·0 cites·6 claims
- 4151US9627567B2Solar cell module manufacturing method and solar cell module manufacturing apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Apr 18, 2017·0 cites·20 claims
- 4251US2004103056A1Method, system and storage medium for asset securitization, and computer program productFiled 2001·Application pending·0 cites
- 4350US11811382B2LC filterMURATA MANUFACTURING CO·Filed 2021·Granted Nov 7, 2023·0 cites·17 claims
- 4450US11469483B2FilterSOSHIN ELECTRIC·Filed 2019·Granted Oct 11, 2022·0 cites·18 claims
- 4550US10980405B2Imaging device and endoscopeOLYMPUS CORP·Filed 2018·Granted Apr 20, 2021·0 cites·10 claims
- 4649US10502296B2Ball screw device and steering systemJTEKT CORP·Filed 2017·Granted Dec 10, 2019·0 cites·6 claims
- 4748US11808252B2Liquid delivery device and liquid chromatographSHIMADZU CORP·Filed 2018·Granted Nov 7, 2023·0 cites·5 claims
- 4848US11434897B2Liquid delivery deviceSHIMADZU CORP·Filed 2017·Granted Sep 6, 2022·0 cites·13 claims
- 4948US10030746B2Ball screw device and steering systemJTEKT CORP·Filed 2017·Granted Jul 24, 2018·0 cites·8 claims
- 5047US10801595B2Ball screw device and steering deviceJTEKT CORP·Filed 2018·Granted Oct 13, 2020·0 cites·15 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →