Inventor · disambiguated record
Yuki Kawaguchi
Also filed as: KAWAGUCHI YUKI
72 granted patents·44 pending applications·369 citations·filing 1992–2024
98Inventor score
Top patents by PatentIndex Score
116 records- 0196US11853992B2Settlement deviceTOSHIBA TEC KK·Filed 2021·Granted Dec 26, 2023·7 cites·20 claims
- 0295US12131369B2Merchandise registration device and methodTOSHIBA TEC KK·Filed 2021·Granted Oct 29, 2024·6 cites·18 claims
- 0395US8652132B2Grasping treatment deviceOLYMPUS MEDICAL SYSTEMS CORP·Filed 2012·Granted Feb 18, 2014·220 cites·10 claims
- 0494US11754466B2Mode-dependent loss measurement device and mode-dependent loss measuring methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Sep 12, 2023·2 cites·13 claims
- 0591US9084878B2Ultrasound treatment instrumentOLYMPUS MEDICAL SYSTEMS CORP·Filed 2013·Granted Jul 21, 2015·73 cites·3 claims
- 0690US11099322B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Aug 24, 2021·2 cites·15 claims
- 0789US11318834B2Vehicle driving apparatusAISIN CORP·Filed 2018·Granted May 3, 2022·4 cites·20 claims
- 0888US11841529B2Optical fiber and optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Dec 12, 2023·2 cites·12 claims
- 0985US11995629B2Merchandise registration apparatus and methodTOSHIBA TEC KK·Filed 2021·Granted May 28, 2024·1 cites·17 claims
- 1085US11366267B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Jun 21, 2022·1 cites·16 claims
- 1183US11217385B2Transformer and electric power converterHITACHI LTD·Filed 2016·Granted Jan 4, 2022·2 cites·12 claims
- 1283US9575245B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 21, 2017·4 cites·18 claims
- 1381US10989864B2Optical fiber, coated optical fiber, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 27, 2021·1 cites·8 claims
- 1479US9291771B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 22, 2016·3 cites·13 claims
- 1578US8471933B2Image processing apparatus, image processing method and computer programMATSUSHITA NOBUYUKI·Filed 2010·Granted Jun 25, 2013·4 cites·10 claims
- 1678US2025052949A1Optical fiber and method for producing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1776US11984816B2Power conversion device and press apparatusHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted May 14, 2024·1 cites·8 claims
- 1875US10045793B2Surgical treatment instrumentOLYMPUS CORP·Filed 2017·Granted Aug 14, 2018·2 cites·15 claims
- 1974US11109876B2Surgical treatment instrumentOLYMPUS CORP·Filed 2019·Granted Sep 7, 2021·2 cites·11 claims
- 2074US10656326B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted May 19, 2020·1 cites·10 claims
- 2174US10155687B2Optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Dec 18, 2018·1 cites·6 claims
- 2274US2025094992A1Self-service commodity sales data processing device and method thereofTOSHIBA TEC KK·Filed 2024·Application pending·0 cites
- 2373US11345627B2Method of manufacturing optical fiber preform and optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted May 31, 2022·0 cites·5 claims
- 2473US9636136B2Ultrasound treatment instrumentOLYMPUS CORP·Filed 2015·Granted May 2, 2017·2 cites·5 claims
- 2571US12062030B2Merchandise data registration device and methodTOSHIBA TEC KK·Filed 2023·Granted Aug 13, 2024·0 cites·15 claims
- 2670US10615715B2Power conversion device, cooling structure, power conversion system, and power supply deviceHITACHI LTD·Filed 2016·Granted Apr 7, 2020·2 cites·9 claims
- 2769US12398062B2Method for producing optical fiber base material, and optical fiber base materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Aug 26, 2025·0 cites·7 claims
- 2869US11014455B2Vehicle drive deviceAISIN AW CO·Filed 2018·Granted May 25, 2021·1 cites·20 claims
- 2969US10656329B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted May 19, 2020·0 cites·22 claims
- 3068US12466757B2Production method for optical fiber base material, and optical fiber base materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Nov 11, 2025·0 cites·12 claims
- 3168US12164145B2Optical fiber and method for producing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Dec 10, 2024·0 cites·9 claims
- 3267US11027616B2Vehicle driving deviceAISIN AW CO·Filed 2018·Granted Jun 8, 2021·1 cites·20 claims
- 3367US9231424B2Charging systemKAWAGUCHI YUKI·Filed 2011·Granted Jan 5, 2016·4 cites·22 claims
- 3466US11048040B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 29, 2021·0 cites·19 claims
- 3565US12277563B2Self-service commodity sales data processing device and method thereofTOSHIBA TEC KK·Filed 2021·Granted Apr 15, 2025·0 cites·16 claims
- 3665US2025147229A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 3764US12498518B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Dec 16, 2025·0 cites·10 claims
- 3864US11715083B2Merchandise data registration device and methodTOSHIBA TEC KK·Filed 2021·Granted Aug 1, 2023·0 cites·12 claims
- 3964US10617437B2Medical treatment implementOLYMPUS CORP·Filed 2016·Granted Apr 14, 2020·1 cites·15 claims
- 4064US9662513B2Ultrasonic vibration treatment deviceOLYMPUS CORP·Filed 2014·Granted May 30, 2017·2 cites·10 claims
- 4164US2024047116A1Printed Board Coil, High Frequency Transformer, and Electromagnetic Induction HeaterHITACHI LTD·Filed 2023·Application pending·0 cites
- 4264US2024030824A1Power Conversion DeviceHITACHI LTD·Filed 2023·Application pending·0 cites
- 4364US2025327969A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 4464US2024402417A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 4563US11913513B2Vibration damping material and method of producing vibration damping materialHONDA MOTOR CO LTD·Filed 2021·Granted Feb 27, 2024·0 cites·7 claims
- 4663US5446551ATape duplicating apparatusSONY CORP·Filed 1992·Granted Aug 29, 1995·17 cites·3 claims
- 4763US2017101334A1Method of manufacturing optical fiber preform and optical fiber preformSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Application pending·0 cites
- 4862US11740404B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Aug 29, 2023·0 cites·10 claims
- 4962US2020241198A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 5061US11137542B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Oct 5, 2021·0 cites·16 claims
Showing the top 50 of 116 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →