Inventor · disambiguated record
Takafumi Maruyama
Also filed as: MARUYAMA TAKAFUMI
28 granted patents·5 pending applications·393 citations·filing 1989–2022
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD7MITSUBISHI ELECTRIC CORP7HITACHI LTD5HONDA MOTOR CO LTD2MARUYAMA TAKAFUMI2
Top patents by PatentIndex Score
33 records- 0190US7088620B2Nonvolatile semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Aug 8, 2006·25 cites·11 claims
- 0287US6822907B2Nonvolatile semiconductor memory device and data readout method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 23, 2004·45 cites·17 claims
- 0387US6407946B2Nonvolatile semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 18, 2002·46 cites·5 claims
- 0484US7123510B2Non-volatile semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 17, 2006·16 cites·23 claims
- 0584US6188608B1Nonvolatile semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 13, 2001·36 cites·11 claims
- 0681US5317937AControl system for vehicle automatic transmissionHONDA MOTOR CO LTD·Filed 1992·Granted Jun 7, 1994·34 cites·41 claims
- 0779US10895989B2Multi-node storage system and queue control method of multi-node storage systemHITACHI LTD·Filed 2019·Granted Jan 19, 2021·2 cites·10 claims
- 0879US6995540B2Electric motor car controllerMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Feb 7, 2006·12 cites·8 claims
- 0978US12061804B2Storage system and data processing methodHITACHI LTD·Filed 2022·Granted Aug 13, 2024·1 cites·4 claims
- 1076US5155675AMethod of controlling an inverterMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 13, 1992·49 cites·2 claims
- 1175US6087791AControl apparatus for internal combustion type electric locomotiveMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jul 11, 2000·50 cites·5 claims
- 1270US8786116B2Vehicle control device and diesel hybrid vehicle systemHATANAKA KEITA·Filed 2010·Granted Jul 22, 2014·4 cites·19 claims
- 1369US7453231B2Electric vehicle control deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 18, 2008·6 cites·4 claims
- 1469US6272049B1Non-volatile semiconductor memory device having increased operating speedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 7, 2001·17 cites·19 claims
- 1565US10210930B2Nonvolatile semiconductor storage apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Feb 19, 2019·2 cites·12 claims
- 1664US7234116B2Communications system for transmitting, receiving, and displaying an image and associated image action informationQRIPT INC·Filed 2002·Granted Jun 19, 2007·17 cites·4 claims
- 1763US7408820B2Nonvolatile semiconductor memory with virtual ground arrayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Aug 5, 2008·5 cites·10 claims
- 1859US8704482B2Power conversion deviceMARUYAMA TAKAFUMI·Filed 2009·Granted Apr 22, 2014·6 cites·7 claims
- 1956US10995844B2Breather structure of transmissionHONDA MOTOR CO LTD·Filed 2020·Granted May 4, 2021·0 cites·5 claims
- 2055US11639950B2Current sensorHIOKI ELECTRIC WORKS·Filed 2021·Granted May 2, 2023·0 cites·14 claims
- 2150US7616488B2Current or voltage measurement circuit, sense circuit, semiconductor non-volatile memory, and differential amplifierPANASONIC CORP·Filed 2006·Granted Nov 10, 2009·2 cites·23 claims
- 2247US5060129AMethod of controlling three-phase, three-level inverterMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Oct 22, 1991·16 cites·4 claims
- 2346US9180914B2Support structure for vehicleNISSIN KOGYO KK·Filed 2013·Granted Nov 10, 2015·1 cites·16 claims
- 2445US8799530B2Data processing system with a host bus adapter (HBA) running on a PCIe bus that manages the number enqueues or dequeues of data in order to reduce bottleneckHITACHI LTD·Filed 2013·Granted Aug 5, 2014·0 cites·15 claims
- 2543US10013372B2Input/output apparatus and methodHITACHI LTD·Filed 2014·Granted Jul 3, 2018·0 cites·6 claims
- 2642US2007192476A1Communications systemQRIPT ONE SOFT INC·Filed 2007·Application pending·0 cites
- 2740US7422863B2Molting hormone receptor and method for screening ligand to the receptorKUMIAI CHEMICAL INDUSTRY CO·Filed 2004·Granted Sep 9, 2008·0 cites·15 claims
- 2839US2022300158A1Storage apparatus and storage apparatus control methodHITACHI LTD·Filed 2021·Application pending·0 cites
- 2934US2002149417A1Controller for driving electric vehicleMITSUBISHI ELECTRIC CORP·Filed 2001·Application pending·0 cites
- 3033US2010054071A1Semiconductor memory deviceMARUYAMA TAKAFUMI·Filed 2009·Application pending·0 cites
- 3131US5041927AMagnetic disc driving apparatus having speed and position controlMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Aug 20, 1991·1 cites·8 claims
- 3230US8593888B2Semiconductor memory deviceMOCHIDA REIJI·Filed 2012·Granted Nov 26, 2013·0 cites·21 claims
- 3330US2012002485A1Semiconductor memory deviceSUWA HITOSHI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →