Inventor · disambiguated record
Koichiro Hayashi
Also filed as: HAYASHI KOICHIRO
46 granted patents·11 pending applications·469 citations·filing 1973–2024
98Inventor score
Files withHITACHI POWDERED METALS15ELPIDA MEMORY INC8SANDISK TECHNOLOGIES LLC5TOYOTA MOTOR CO LTD5JAPAN ATOMIC ENERGY RES INST4
Top patents by PatentIndex Score
57 records- 0198US11081167B1Sense amplifier architecture for low supply voltage operationsSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Aug 3, 2021·13 cites·18 claims
- 0293USD510492SDeskITOKI CREBIO CORP·Filed 2004·Granted Oct 11, 2005·54 cites·1 claims
- 0392US6340377B1High-temperature wear-resistant sintered alloyHITACHI POWDERED METALS·Filed 2000·Granted Jan 22, 2002·42 cites·12 claims
- 0491US3955035ATransparent resin compositeJAPAN ATOMIC ENERGY RES INST·Filed 1974·Granted May 4, 1976·48 cites·8 claims
- 0582US5949003AHigh-temperature wear-resistant sintered alloyNISSAN MOTOR·Filed 1997·Granted Sep 7, 1999·40 cites·13 claims
- 0681US5259860ASintered metal parts and their production methodHITACHI POWDERED METALS·Filed 1991·Granted Nov 9, 1993·31 cites·14 claims
- 0780US11204132B2Tank production method and tankTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 21, 2021·2 cites·2 claims
- 0880US5834664AWear-resistant sintered alloy, and its production methodHITACHI POWDERED METALS·Filed 1997·Granted Nov 10, 1998·35 cites·18 claims
- 0979US5326526ASintered iron alloy composition and method of manufacturing the sameHITACHI POWDERED METALS·Filed 1991·Granted Jul 5, 1994·26 cites·18 claims
- 1078US6616726B2Material for valve guidesHITACHI POWDERED METALS·Filed 2001·Granted Sep 9, 2003·12 cites·9 claims
- 1175US6852143B2Turbo component for turbochargerHITACHI POWDERED METALS·Filed 2002·Granted Feb 8, 2005·11 cites·2 claims
- 1275US6660056B2Valve seat for internal combustion enginesHITACHI POWDERED METALS·Filed 2001·Granted Dec 9, 2003·10 cites·14 claims
- 1374US7608647B2Resin composition, resin molded article and production method thereofTOYODA GOSEI KK·Filed 2005·Granted Oct 27, 2009·3 cites·3 claims
- 1472US8358556B2Internal power supply circuit, semiconductor device, and manufacturing method of semiconductor deviceELPIDA MEMORY INC·Filed 2010·Granted Jan 22, 2013·4 cites·19 claims
- 1572US8036060B2Semiconductor device in which a memory array is refreshed based on an address signalELPIDA MEMORY INC·Filed 2009·Granted Oct 11, 2011·6 cites·8 claims
- 1672US6562098B1Wear resistant sintered memberHITACHI POWDERED METALS·Filed 2002·Granted May 13, 2003·14 cites·19 claims
- 1768US11081192B2Memory plane structure for ultra-low read latency applications in non-volatile memoriesSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Aug 3, 2021·2 cites·20 claims
- 1868US7601196B2Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2007·Granted Oct 13, 2009·1 cites·8 claims
- 1968US5824922AWear-resistant sintered alloy, and its production methodHITACHI POWDERED METALS·Filed 1997·Granted Oct 20, 1998·21 cites·18 claims
- 2067US8987937B2Semiconductor device having internal voltage generating circuitHAYASHI KOICHIRO·Filed 2010·Granted Mar 24, 2015·2 cites·20 claims
- 2167US2022065400A1Tank production method and tankTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2266US7040601B2Valve guide for internal combustion engine made from iron base sintered alloyHONDA MOTOR CO LTD·Filed 2002·Granted May 9, 2006·5 cites·7 claims
- 2364US7250469B2Resin molded product and fuel tankFTS CO LTD·Filed 2004·Granted Jul 31, 2007·6 cites·11 claims
- 2463US7750659B2Voltage detecting circuit and semiconductor device including the sameELPIDA MEMORY INC·Filed 2008·Granted Jul 6, 2010·3 cites·10 claims
- 2562US5952590ASintered alloy having superb wear resistance and process for producing the sameHITACHI POWDERED METALS·Filed 1998·Granted Sep 14, 1999·16 cites·18 claims
- 2662US4049867AThermosetting resin composition comprising an [(2,3-epoxypropoxy)alkyl]trialkyloxysilaneJAPAN ATOMIC ENERGY RES INST·Filed 1975·Granted Sep 20, 1977·12 cites·6 claims
- 2761US9890483B2Fiber-reinforced composite material and method for manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 13, 2018·1 cites·4 claims
- 2858USD512251SDeskITOKI CREBIO CORP·Filed 2004·Granted Dec 6, 2005·10 cites·1 claims
- 2958US2025289589A1MANUFACTURING METHOD AND MaaS PROVIDING METHODTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3057US7869299B2Internal-voltage generating circuit and semiconductor device including the sameELPIDA MEMORY INC·Filed 2008·Granted Jan 11, 2011·3 cites·19 claims
- 3157US6012703AValve guide and process for manufacturing thereofHITACHI POWDERED METALS·Filed 1997·Granted Jan 11, 2000·14 cites·7 claims
- 3255US10126765B2Semiconductor device having internal voltage generating circuitPS4 LUXCO SARL·Filed 2016·Granted Nov 13, 2018·0 cites·14 claims
- 3355US2023347544A1Workpiece cutting device and workpiece cutting methodIHI CORP·Filed 2023·Application pending·0 cites
- 3454US2006207386A1Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDER METALS CO LTD·Filed 2006·Application pending·0 cites
- 3553US9207701B2Supply voltage generating circuitPS4 LUXCO SARL·Filed 2014·Granted Dec 8, 2015·0 cites·18 claims
- 3653US7294167B2Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloyHITACHI POWDERED METALS·Filed 2004·Granted Nov 13, 2007·3 cites·4 claims
- 3752US9411347B2Semiconductor device having internal voltage generating circuitPS4 LUXCO SARL·Filed 2015·Granted Aug 9, 2016·0 cites·13 claims
- 3852US2023093764A1Medical honeycomb structure and method for producing the same, medical tissue reconstruction bag, and molding dieKUNIO ISHIKAWA·Filed 2021·Application pending·0 cites
- 3950US8860499B2Supply voltage generating circuitELPIDA MEMORY INC·Filed 2013·Granted Oct 14, 2014·0 cites·14 claims
- 4048US7545697B2Semiconductor device in which a memory array is refreshed based on an address signalELPIDA MEMORY INC·Filed 2006·Granted Jun 9, 2009·1 cites·7 claims
- 4147US6302937B1Sintered alloy having superior wear resistanceHITACHI POWDERED METALS·Filed 1999·Granted Oct 16, 2001·9 cites·16 claims
- 4246US11177277B2Word line architecture for three dimensional NAND flash memorySANDISK TECHNOLOGIES LLC·Filed 2019·Granted Nov 16, 2021·0 cites·19 claims
- 4346US10984874B1Differential dbus scheme for low-latency random read for NAND memoriesSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Apr 20, 2021·0 cites·18 claims
- 4446US8553487B2Internal power supply circuit, semiconductor device, and manufacturing method of semiconductor deviceELPIDA MEMORY INC·Filed 2012·Granted Oct 8, 2013·0 cites·20 claims
- 4546US2006244864A1Adjustment effect confirmation function and electronic apparatus provided therewithORION ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 4645US2018180222A1High pressure tank, and method of producing high pressure tankTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 4743US10885984B1Area effective erase voltage isolation in NAND memorySANDISK TECHNOLOGIES LLC·Filed 2019·Granted Jan 5, 2021·0 cites·20 claims
- 4843US6251157B1Sintered alloy having superb wear resistance and process for producing the sameHITACHI POWDERED METALS·Filed 1999·Granted Jun 26, 2001·8 cites·3 claims
- 4942US8493132B2Supply voltage generating circuitHAYASHI KOICHIRO·Filed 2008·Granted Jul 23, 2013·0 cites·15 claims
- 5042US2006032328A1Sintered valve guide and manufacturing method thereofCHIKAHATA KATSUNAO·Filed 2005·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →