Inventor · disambiguated record
Koichiro Nagata
Also filed as: NAGATA KOICHIRO
20 granted patents·4 pending applications·203 citations·filing 1997–2024
94Inventor score
Files withHITACHI LTD9MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5HITACHI IND EQUIPMENT SYS3SANDISK TECHNOLOGIES LLC2ADVANTEST CORP1
Top patents by PatentIndex Score
24 records- 0196US10937801B2Three-dimensional memory device containing a polygonal lattice of support pillar structures and contact via structures and methods of manufacturing the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Mar 2, 2021·19 cites·19 claims
- 0296US10615172B2Three-dimensional memory device having double-width staircase regions and methods of manufacturing the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Apr 7, 2020·20 cites·15 claims
- 0391US7378984B2Audio visual systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 27, 2008·54 cites·24 claims
- 0477US7545116B2Driver for induction motor and method of driving the sameHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jun 9, 2009·11 cites·14 claims
- 0570US12055214B2Transmission device monitoring systemHITACHI LTD·Filed 2022·Granted Aug 6, 2024·0 cites·11 claims
- 0670US7869232B2Electric power converter suppressing output voltage variation due to input voltage fluctuationHITACHI LTD·Filed 2007·Granted Jan 11, 2011·7 cites·16 claims
- 0767US7671558B2Induction motor controllerHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Mar 2, 2010·6 cites·13 claims
- 0866US7902790B2Induction motor drive unit, motor drive system, and elevating systemHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Mar 8, 2011·7 cites·13 claims
- 0965US6611125B2Method for calculating inertia moment and driver for electric motorHITACHI LTD·Filed 2001·Granted Aug 26, 2003·14 cites·14 claims
- 1062US12174256B2Device monitoring device and device monitoring methodHITACHI LTD·Filed 2020·Granted Dec 24, 2024·0 cites·13 claims
- 1162US6392695B1Image display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 21, 2002·34 cites·15 claims
- 1259US2024385239A1Evaluation apparatus, evaluation method, and non-transitory computer readable mediumADVANTEST CORP·Filed 2024·Application pending·0 cites
- 1353US2004177537A1Lighting control apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 1451US6008842AProtective circuit for the CRT and lensMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 28, 1999·15 cites·21 claims
- 1550US2021133659A1Estimation management systemHITACHI LTD·Filed 2020·Application pending·0 cites
- 1646US10871769B2Manufacturing system and manufacturing methodHITACHI LTD·Filed 2018·Granted Dec 22, 2020·0 cites·7 claims
- 1746US7332888B2Driving apparatus for a motorHITACHI LTD·Filed 2006·Granted Feb 19, 2008·2 cites·15 claims
- 1845US9350284B2Power conversion deviceHITACHI LTD·Filed 2012·Granted May 24, 2016·0 cites·6 claims
- 1939US6519408B2Playback control apparatus for controlling a playback unit and a receiver unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 11, 2003·8 cites·25 claims
- 2038US2024353291A1Device Diagnosis SystemHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2022·Application pending·0 cites
- 2132US6646896B2Controller of AC machineHITACHI LTD·Filed 2002·Granted Nov 11, 2003·0 cites·15 claims
- 2232US6028943AAudio amplifier system using a class D amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Feb 22, 2000·6 cites·7 claims
- 2330US8115442B2Electric motor drive system and electric motor control methodNAGATA KOICHIRO·Filed 2009·Granted Feb 14, 2012·0 cites·7 claims
- 2423US8710781B2Power conversion device and method for controlling thereofARAKAWA YOICHIRO·Filed 2010·Granted Apr 29, 2014·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →