Inventor · disambiguated record
Eiji Yamakawa
Also filed as: YAMAKAWA EIJI
32 granted patents·8 pending applications·435 citations·filing 1982–2024
97Inventor score
Top patents by PatentIndex Score
40 records- 0194US5220375ACamera having blurring correction apparatusMINOLTA CAMERA KK·Filed 1992·Granted Jun 15, 1993·45 cites·56 claims
- 0290US6697039B1Information displaying apparatusMINOLTA CO LTD·Filed 2000·Granted Feb 24, 2004·49 cites·12 claims
- 0390US5353091ACamera having blurring correction apparatusMINOLTA CAMERA KK·Filed 1993·Granted Oct 4, 1994·29 cites·8 claims
- 0489US6888522B1Information display apparatusMINOLTA CO LTD·Filed 2000·Granted May 3, 2005·44 cites·15 claims
- 0588US7019737B1Liquid crystal display device, portable electronic device and driving method thereofMINOLTA CO LTD·Filed 2000·Granted Mar 28, 2006·40 cites·20 claims
- 0683US11796965B2Display apparatus and watchCASIO COMPUTER CO LTD·Filed 2021·Granted Oct 24, 2023·1 cites·20 claims
- 0778US11258292B2Electronic device, electronic timepiece and battery charging methodCASIO COMPUTER CO LTD·Filed 2019·Granted Feb 22, 2022·2 cites·9 claims
- 0878US5218442ACamera with camera-shake detection apparatusMINOLTA CAMERA KK·Filed 1990·Granted Jun 8, 1993·33 cites·41 claims
- 0977US12140909B2Display apparatus and watchCASIO COMPUTER CO LTD·Filed 2023·Granted Nov 12, 2024·0 cites·19 claims
- 1074US6414666B1Liquid crystal display device and method of driving a liquid crystal display elementMINOLTA CO LTD·Filed 1999·Granted Jul 2, 2002·43 cites·26 claims
- 1170US5420661ACamera with camera-shake detection apparatusMINOLTA CAMERA KK·Filed 1994·Granted May 30, 1995·21 cites·13 claims
- 1266US7038648B2Method and a device for driving a liquid crystal display, and a liquid crystal display apparatusMINOLTA CO LTD·Filed 2002·Granted May 2, 2006·9 cites·30 claims
- 1366US6954195B2Liquid crystal display device having a liquid crystal display driven by interlace scanning and/or sequential scanningMINOLTA CO LTD·Filed 2001·Granted Oct 11, 2005·8 cites·33 claims
- 1462US10824117B2Electronic device, electronic timepiece, display control method, and storage mediumCASIO COMPUTER CO LTD·Filed 2018·Granted Nov 3, 2020·0 cites·13 claims
- 1561US6552756B1Recording method and recording device using a heat reversible recording mediumMINOLTA CO LTD·Filed 2000·Granted Apr 22, 2003·7 cites·25 claims
- 1661US5365304ACamera with camera-shake detection apparatusMINOLTA CAMERA KK·Filed 1993·Granted Nov 15, 1994·13 cites·9 claims
- 1760US11295686B2Liquid crystal control circuit, electronic timepiece, and liquid crystal control methodCASIO COMPUTER CO LTD·Filed 2020·Granted Apr 5, 2022·0 cites·5 claims
- 1860US2019295486A1Liquid crystal control circuit, electronic timepiece, and liquid crystal control methodCASIO COMPUTER CO LTD·Filed 2019·Application pending·0 cites
- 1959US6927765B1Liquid crystal display device and driving method thereofMINOLTA CO LTD·Filed 1999·Granted Aug 9, 2005·22 cites·12 claims
- 2058US7218299B2Liquid crystal display apparatusMINOLTA CO LTD·Filed 2003·Granted May 15, 2007·5 cites·9 claims
- 2158US6633319B1Image recording apparatusMINOLTA CO LTD·Filed 1999·Granted Oct 14, 2003·12 cites·54 claims
- 2257US2024310667A1Display device, watch, and display device manufacturing methodCASIO COMPUTER CO LTD·Filed 2024·Application pending·0 cites
- 2355US10783845B2Liquid crystal control circuit, electronic timepiece, and liquid crystal control methodCASIO COMPUTER CO LTD·Filed 2019·Granted Sep 22, 2020·0 cites·12 claims
- 2452US9523960B2Illumination device, display apparatus, and timepieceCASIO COMPUTER CO LTD·Filed 2014·Granted Dec 20, 2016·1 cites·19 claims
- 2552US4415246AFocus detecting deviceMINOLTA CAMERA KK·Filed 1982·Granted Nov 15, 1983·13 cites·10 claims
- 2649US8971155B2Radio wave timepieceSANO TAKASHI·Filed 2012·Granted Mar 3, 2015·0 cites·20 claims
- 2749US7145538B2Liquid crystal display device and method for driving a liquid crystal displayMINOLTA CO LTD·Filed 2001·Granted Dec 5, 2006·2 cites·10 claims
- 2849US5270767ACamera with camera-shake detection apparatusMINOLTA CAMERA KK·Filed 1992·Granted Dec 14, 1993·11 cites·8 claims
- 2947US9423774B2Electronic timepiece including light emitting sectionCASIO COMPUTER CO LTD·Filed 2015·Granted Aug 23, 2016·0 cites·9 claims
- 3045US10847104B2Dot matrix display device and time display deviceCASIO COMPUTER CO LTD·Filed 2017·Granted Nov 24, 2020·0 cites·9 claims
- 3144US6243259B1Electronic member and electronic deviceCASIO COMPUTER CO LTD·Filed 1998·Granted Jun 5, 2001·11 cites·3 claims
- 3243US6215960B1Camera with camera-shake detection apparatusMINOLTA CO LTD·Filed 1997·Granted Apr 10, 2001·6 cites·12 claims
- 3339US6489983B2Image recording method and image recording apparatus using the sameMINOLTA CO LTD·Filed 2001·Granted Dec 3, 2002·3 cites·14 claims
- 3439US2004046705A1Liquid crystal display apparatusMINOLTA CO LTD·Filed 2002·Application pending·0 cites
- 3539US2018024619A1Display device, display control method, and computer-readable storage mediumCASIO COMPUTER CO LTD·Filed 2017·Application pending·0 cites
- 3638US2018240422A1Liquid crystal driving device, electronic watch, liquid crystal driving method, and recording mediumCASIO COMPUTER CO LTD·Filed 2018·Application pending·0 cites
- 3737US2002008820A1Liquid crystal display apparatusMINOLTA CO LTD·Filed 2001·Application pending·0 cites
- 3836US2001038373A1Liquid crystal display driving method and liquid crystal display deviceFiled 2001·Application pending·0 cites
- 3935US4496834AFocus detecting photoelectric device and focus detecting systemMINOLTA CAMERA KK·Filed 1982·Granted Jan 29, 1985·5 cites·33 claims
- 4031US2002004456A1Image bearing mediumFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →