Inventor · disambiguated record
Hideki Ishikawa
Also filed as: ISHIKAWA HIDEKI
30 granted patents·8 pending applications·653 citations·filing 1991–2025
96Inventor score
Top patents by PatentIndex Score
38 records- 0196US5395711ANon-aqueous electrolyte secondary battery and its production methodSEIKO INSTR INC·Filed 1993·Granted Mar 7, 1995·222 cites·15 claims
- 0293US5286582AMonaqueous electrolyte secondary battery and process for producing positive active materialsSEIKO ELECTRONIC COMPONENTS·Filed 1991·Granted Feb 15, 1994·95 cites·10 claims
- 0388US6308572B1Gas concentration sensorNGK SPARK PLUG CO·Filed 2000·Granted Oct 30, 2001·40 cites·45 claims
- 0485US6418782B1Gas concentration sensorNGK SPARK PLUG CO·Filed 2000·Granted Jul 16, 2002·27 cites·3 claims
- 0582US6568281B1Ultrasonic-wave propagation-time measuring method, gas-pressure measuring method, gas-flow rate measuring method, and gas sensorNGK SPARK PLUG CO·Filed 2000·Granted May 27, 2003·22 cites·6 claims
- 0675US5506075ANon-aqueous electrolyte secondary battery and method of producing the sameSEIKO INSTR INC·Filed 1994·Granted Apr 9, 1996·49 cites·24 claims
- 0775US5401599ANon-aqueous electrolyte secondary battery and method of producing the sameSEIKO INSTR INC·Filed 1993·Granted Mar 28, 1995·49 cites·19 claims
- 0871US6031801AApparatus and method for reproducing data recorded at a predetermined linear velocity on a disc-like recording mediumSONY CORP·Filed 1997·Granted Feb 29, 2000·27 cites·12 claims
- 0969US6568240B1Method and apparatus using a gas concentration sensor for accurately controlling an air fuel ratio in an internal combustion engineNGK SPARK PLUG CO·Filed 2000·Granted May 27, 2003·15 cites·15 claims
- 1069US5620812ANon-aqueous electrolyte secondary batterySEIKO INSTR INC·Filed 1995·Granted Apr 15, 1997·44 cites·14 claims
- 1168US8130605B2Driving device and method, program, and recording mediumISHIKAWA HIDEKI·Filed 2009·Granted Mar 6, 2012·2 cites·6 claims
- 1268US7082810B2Gas sensorNGK SPARK PLUG CO·Filed 2003·Granted Aug 1, 2006·9 cites·28 claims
- 1367US6886412B2Ultrasonic-wave propagation-time measuring method and gas concentration sensorNGK SPARK PLUG CO·Filed 2002·Granted May 3, 2005·7 cites·9 claims
- 1464US12091563B2Inkjet ink and printed itemTOPPAN PRINTING CO LTD·Filed 2021·Granted Sep 17, 2024·0 cites·16 claims
- 1563US2025155835A1ContainerCANON KK·Filed 2025·Application pending·0 cites
- 1662US2023203328A1Inkjet ink and tabletTOPPAN INC·Filed 2023·Application pending·0 cites
- 1760US6892565B2Gas sensor and gas concentration detecting deviceNGK SPARK PLUG CO·Filed 2003·Granted May 17, 2005·4 cites·13 claims
- 1858US7416651B2Gas sensorNGK SPARK PLUG CO·Filed 2004·Granted Aug 26, 2008·2 cites·19 claims
- 1958US2023024428A1Edible aqueous inkjet ink and tabletTOPPAN INC·Filed 2022·Application pending·0 cites
- 2057US12465572B2Edible IJ ink, tablet, and capsuleTOPPAN INC·Filed 2022·Granted Nov 11, 2025·0 cites·14 claims
- 2157USRE35818ENon-aqueous electrolyte secondary battery and method of producing the sameSEIKO INSTR INC·Filed 1995·Granted Jun 2, 1998·27 cites·19 claims
- 2256US7492075B2Multilayer piezoelectric element, fuel injector having the piezoelectric element and piezoelectric element production methodNGK SPARK PLUG CO·Filed 2006·Granted Feb 17, 2009·2 cites·17 claims
- 2356US7272084B2Optical disc apparatus and tracking control methodSONY CORP·Filed 2002·Granted Sep 18, 2007·3 cites·7 claims
- 2456US7080543B2Sensor and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2003·Granted Jul 25, 2006·1 cites·13 claims
- 2556US2021009835A1Blue ink-jet ink and tabletTOPPAN PRINTING CO LTD·Filed 2020·Application pending·0 cites
- 2654US2009126406A1Manufacturing method and heat drawing apparatus for glass memberCANON KK·Filed 2008·Application pending·0 cites
- 2752US11614243B2Outdoor unit, air conditioner, fan guard, and method of manufacturing fan guardSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Mar 28, 2023·0 cites·15 claims
- 2852US2023203329A1Inkjet ink and tabletTOPPAN INC·Filed 2023·Application pending·0 cites
- 2951US12422039B2Vehicle drive deviceAISIN CORP·Filed 2022·Granted Sep 23, 2025·0 cites·10 claims
- 3050US10224555B2Fuel cellNGK SPARK PLUG CO·Filed 2012·Granted Mar 5, 2019·0 cites·29 claims
- 3148US9761888B2Fuel cellNGK SPARK PLUG CO·Filed 2013·Granted Sep 12, 2017·0 cites·9 claims
- 3248US2006179891A1Heating and drawing apparatus and method of manufacturing glass spacer using the sameCANON KK·Filed 2006·Application pending·0 cites
- 3345US6892566B2Gas concentration sensorNGK SPARK PLUG CO·Filed 2003·Granted May 17, 2005·0 cites·25 claims
- 3441US10224553B2Fuel cell comprising connection members having different thickness for each of cell units and method for manufacturing sameNGK SPARK PLUG CO·Filed 2014·Granted Mar 5, 2019·0 cites·7 claims
- 3541US5796696AChassis with strengthening rib having stepped section for recording and/or reproducing apparatusALPS ELECTRIC CO LTD·Filed 1995·Granted Aug 18, 1998·6 cites·5 claims
- 3640US8416654B2Optical disc drive apparatus, optical pickup control method and programISHIKAWA HIDEKI·Filed 2010·Granted Apr 9, 2013·0 cites·15 claims
- 3738US2004017746A1Disc recording medium including rotational-angle marks, recording apparatus and playback apparatusSONY CORP·Filed 2003·Application pending·0 cites
- 3836US10665872B2Fuel cell stack and method for manufacturing fuel cell stackNGK SPARK PLUG CO·Filed 2016·Granted May 26, 2020·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →