Inventor · disambiguated record
Keisuke Nakayama
Also filed as: NAKAYAMA KEISUKE
38 granted patents·14 pending applications·391 citations·filing 1987–2025
97Inventor score
Files withALPS ALPINE CO LTD11NISSAN CHEMICAL IND LTD8ALPS ELECTRIC CO LTD5JX NIPPON OIL & ENERGY CORP5SYSTEMNEEDS INC4
Top patents by PatentIndex Score
52 records- 0189US7266695B2Data updating method and data updating systemSYSTEMNEEDS INC·Filed 2003·Granted Sep 4, 2007·61 cites·14 claims
- 0286US4835153AMalonic acid derivativesNIHON NOHYAKU CO LTD·Filed 1987·Granted May 30, 1989·55 cites·22 claims
- 0385US7687431B2Nanotube-shaped titania and process for producing the sameNIPPON OIL CORP·Filed 2006·Granted Mar 30, 2010·13 cites·11 claims
- 0481US6938020B2Memory rental service system in intelligent authentication unitSYSTEMNEEDS INC·Filed 2002·Granted Aug 30, 2005·20 cites·9 claims
- 0581US5687383ATranslation rule learning scheme for machine translationTOSHIBA KK·Filed 1995·Granted Nov 11, 1997·98 cites·20 claims
- 0679US7846638B2Composition for forming anti-reflective coating for use in lithographyNISSAN CHEMICAL IND LTD·Filed 2007·Granted Dec 7, 2010·5 cites·12 claims
- 0779US6256280B1Disk ejection deviceALPS ELECTRIC CO LTD·Filed 1999·Granted Jul 3, 2001·36 cites·7 claims
- 0873US7425399B2Composition for forming anti-reflective coating for use in lithographyNISSAN CHEMICAL IND LTD·Filed 2003·Granted Sep 16, 2008·13 cites·1 claims
- 0972US7038328B2Anti-reflective compositions comprising triazine compoundsBREWER SCIENCE INC·Filed 2002·Granted May 2, 2006·14 cites·18 claims
- 1071US7596768B2Screensaver display method and information processing systemSYSTEMNEEDS INC·Filed 2006·Granted Sep 29, 2009·5 cites·13 claims
- 1167US7501229B2Anti-reflective coating containing sulfur atomNISSAN CHEMICAL IND LTD·Filed 2005·Granted Mar 10, 2009·2 cites·4 claims
- 1267US2025147076A1Current Sensor And Current Control SystemALPS ALPINE CO LTD·Filed 2025·Application pending·0 cites
- 1366US12504447B2Current sensorALPS ALPINE CO LTD·Filed 2023·Granted Dec 23, 2025·0 cites·16 claims
- 1466US2025147075A1Current SensorALPS ALPINE CO LTD·Filed 2025·Application pending·0 cites
- 1565US12306213B2Current sensorALPS ALPINE CO LTD·Filed 2022·Granted May 20, 2025·0 cites·7 claims
- 1663US6458870B1Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement compositionNISSAN CHEMICAL IND LTD·Filed 2000·Granted Oct 1, 2002·6 cites·9 claims
- 1763US2025199036A1Current sensor and bus barALPS ALPINE CO LTD·Filed 2024·Application pending·0 cites
- 1862US8802971B2Photoelectric conversion elementJX NIPPON OIL & ENERGY CORP·Filed 2012·Granted Aug 12, 2014·0 cites·6 claims
- 1962US7795369B2Sulfur atom-containing anti-reflective coating forming composition for lithographyNISSAN CHEMICAL IND LTD·Filed 2005·Granted Sep 14, 2010·1 cites·4 claims
- 2061US2024361358A1Current sensor and method of manufacturing insert-molded componentALPS ALPINE CO LTD·Filed 2024·Application pending·0 cites
- 2161US2021366057A1Information sharing support device and information sharing support systemMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 2260US12436172B2Current detecting deviceALPS ALPINE CO LTD·Filed 2023·Granted Oct 7, 2025·0 cites·17 claims
- 2358USD587259SComputerNEC CORP·Filed 2008·Granted Feb 24, 2009·11 cites·1 claims
- 2458US2003014652A1Licensing method and license providing systemFiled 2002·Application pending·0 cites
- 2557USD540320SComputerHITACHI LTD·Filed 2005·Granted Apr 10, 2007·10 cites·1 claims
- 2657US2014090705A1Photoelectric conversion elementJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 2757US2014109965A1Photoelectric conversion elementJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 2856US7174321B2Memory rental service system in intelligent authentication unitSYSTEMNEEDS INC·Filed 2005·Granted Feb 6, 2007·0 cites·10 claims
- 2954US10796994B2Semiconductor device and IO-cellRENESAS ELECTRONICS CORP·Filed 2018·Granted Oct 6, 2020·0 cites·9 claims
- 3054USD588593SComputerNEC CORP·Filed 2008·Granted Mar 17, 2009·9 cites·1 claims
- 3153US11125582B2Rotation detection deviceALPS ALPINE CO LTD·Filed 2019·Granted Sep 21, 2021·0 cites·4 claims
- 3250US11359986B2Electronic device having fixed conductive plates and elastic conductive platesALPS ALPINE CO LTD·Filed 2019·Granted Jun 14, 2022·0 cites·5 claims
- 3349US9859512B2Substrate having rugged structure obtained from hydrophobic sol/gel materialJX NIPPON OIL & ENERGY CORP·Filed 2015·Granted Jan 2, 2018·0 cites·5 claims
- 3449US5041440ADithiolane derivativesNIHON NOHYAKU CO LTD·Filed 1989·Granted Aug 20, 1991·3 cites·22 claims
- 3548US8025512B2Object fitting/removing drive unit, and connector unitJAPAN AVIATION ELECTRON·Filed 2009·Granted Sep 27, 2011·2 cites·8 claims
- 3647US9612139B2Position detecting deviceALPS ELECTRIC CO LTD·Filed 2015·Granted Apr 4, 2017·0 cites·4 claims
- 3747US5998573AAmino resin compositionNISSAN CHEMICAL IND LTD·Filed 1996·Granted Dec 7, 1999·10 cites·7 claims
- 3846US10121747B2Semiconductor device and IO-cellRENESAS ELECTRONICS CORP·Filed 2015·Granted Nov 6, 2018·0 cites·24 claims
- 3946US7947424B2Composition for forming anti-reflective coatNISSAN CHEMICAL IND LTD·Filed 2003·Granted May 24, 2011·1 cites·8 claims
- 4046US2005086497A1IC card systemFiled 2004·Application pending·0 cites
- 4145US2006137737A1Photoelectric conversion deviceNIPPON OIL CORP·Filed 2006·Application pending·0 cites
- 4244US6188664B1Pivotable restraining means for a disk operating apparatusALPS ELECTRIC CO LTD·Filed 1998·Granted Feb 13, 2001·6 cites·10 claims
- 4343US6198713B1Power transmitting mechanism for disk apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted Mar 6, 2001·6 cites·3 claims
- 4443US2003046571A1Self-decoding type encrypted file and its utilization methodFiled 2002·Application pending·0 cites
- 4542US2002188855A1Fingerprint authentication unit and authentication systemFiled 2002·Application pending·0 cites
- 4642US2013213477A1Photoelectric conversion elementJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 4741US10553967B2Electronic device having fixed conductive plates and elastic conductive platesALPS ALPINE CO LTD·Filed 2019·Granted Feb 4, 2020·0 cites·5 claims
- 4839US2003070940A1Method and apparatus for purification treatment of waterNIPPON OIL CORP·Filed 2002·Application pending·0 cites
- 4937US10251295B2Electronic device and method of producing the sameALPS ALPINE CO LTD·Filed 2017·Granted Apr 2, 2019·0 cites·15 claims
- 5035US6188663B1Recording medium loading deviceALPS ELECTRIC CO LTD·Filed 1998·Granted Feb 13, 2001·2 cites·11 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →