Inventor · disambiguated record
Masanori Nakagawa
Also filed as: NAKAGAWA MASANORI
34 granted patents·16 pending applications·582 citations·filing 1994–2025
97Inventor score
Top patents by PatentIndex Score
50 records- 0195US11650494B2Substrate with a multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing methodHOYA CORP·Filed 2022·Granted May 16, 2023·2 cites·19 claims
- 0294US6278194B1Stator generator for an internal combustion engineKOKUSAN DENKI CO·Filed 2000·Granted Aug 21, 2001·66 cites·4 claims
- 0391US6787931B2Starter generator for internal combustion engineKOKUSAN DENKI CO·Filed 2003·Granted Sep 7, 2004·42 cites·4 claims
- 0490US11256167B2Substrate with a multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing methodHOYA CORP·Filed 2020·Granted Feb 22, 2022·2 cites·20 claims
- 0587US12313968B2Reflective mask blank, reflective mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2024·Granted May 27, 2025·0 cites·15 claims
- 0687US7245036B2Inverter controlled generator setKOKUSAN DENKI CO·Filed 2006·Granted Jul 17, 2007·16 cites·2 claims
- 0786US8027180B2Power generating apparatusKOKUSAN DENKI CO·Filed 2008·Granted Sep 27, 2011·18 cites·20 claims
- 0886US6278622B1Electric power source apparatus including electric power converter circuit and method for controlling the sameKOKUSAN DENKI CO·Filed 2000·Granted Aug 21, 2001·52 cites·5 claims
- 0984US2025284189A1Substrate with multilayer reflective film, reflective mask blank, reflective mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2025·Application pending·0 cites
- 1083US6940259B2Generating device including magneto generatorKOKUSAN DENKI CO·Filed 2003·Granted Sep 6, 2005·32 cites·5 claims
- 1181US7081738B2Generating device having magneto generatorKOKUSAN DENKI CO·Filed 2004·Granted Jul 25, 2006·27 cites·18 claims
- 1279US7683587B2Generation deviceKOKUSAN DENKI CO·Filed 2007·Granted Mar 23, 2010·12 cites·19 claims
- 1379US6392311B2Starter generator for internal combustion engineKOKUSAN DENKI CO·Filed 2000·Granted May 21, 2002·40 cites·9 claims
- 1477US11154220B2Information processing apparatus, method, and information processing system for inferring a movement destination of a person by utilizing a wireless deviceTANIGUCHI RYU·Filed 2020·Granted Oct 26, 2021·2 cites·8 claims
- 1577US5535496AMachine tool with partsSUGINO CORP·Filed 1994·Granted Jul 16, 1996·42 cites·27 claims
- 1676US6570779B2Pulse with modulation inverter generation using a correction co-efficient and a reference to the ratio to obtain a real duty ratioKOKUSAN DENKI CO·Filed 2001·Granted May 27, 2003·23 cites·8 claims
- 1775US7157885B2Inverter controlled generator set and method for controlling the sameKOKUSAN DENKI CO·Filed 2004·Granted Jan 2, 2007·22 cites·18 claims
- 1875US6049194AGenerating apparatus including magneto acting as power supplyKOKUSAN DENKI CO·Filed 1998·Granted Apr 11, 2000·49 cites·12 claims
- 1971US6556457B1Method of controlling inverter power generation apparatusKOKUSAN DENKI CO·Filed 2002·Granted Apr 29, 2003·26 cites·7 claims
- 2070US12346017B2Substrate with multilayer reflective film, reflective mask blank, reflective mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2020·Granted Jul 1, 2025·0 cites·12 claims
- 2170US12072619B2Reflective mask blank, reflective mask, and method for manufacturing reflective mask and semiconductor deviceHOYA CORP·Filed 2020·Granted Aug 27, 2024·0 cites·19 claims
- 2270US7256507B2Inverter controlled generator setKOKUSAN DENKI CO·Filed 2006·Granted Aug 14, 2007·6 cites·4 claims
- 2366US7301247B2Power supply device incorporated in vehicle driven by internal combustion engineKISHIBATA KAZUYOSHI·Filed 2003·Granted Nov 27, 2007·22 cites·6 claims
- 2465US2024042564A1Indexing processing machineSUGINO MACH·Filed 2023·Application pending·0 cites
- 2564US7123495B2Inverter controlled generator setKOKUSAN DENKI CO·Filed 2004·Granted Oct 17, 2006·10 cites·1 claims
- 2662US6317339B1Method of controlling electric power supply apparatus with electric power converter circuitKOKUSAN DENKI CO·Filed 2000·Granted Nov 13, 2001·17 cites·5 claims
- 2760US2025370324A1Multilayer reflective film-attached substrate, reflective mask blank, reflective mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2022·Application pending·0 cites
- 2859US6373729B1Electric power source apparatus including electric power converter circuit and method for controlling the sameKOKUSAN DENKI CO·Filed 2001·Granted Apr 16, 2002·12 cites·1 claims
- 2957US6013367ACellulose multifilament yarn and woven fabrics produced therefromASAHI CHEMICAL IND·Filed 1996·Granted Jan 11, 2000·18 cites·6 claims
- 3056US12019366B2Reflective mask blank, reflective mask, and method for manufacturing reflective mask and semiconductor deviceHOYA CORP·Filed 2020·Granted Jun 25, 2024·0 cites·19 claims
- 3156US2023314928A1Multilayer reflective film-equipped substrate, reflective mask blank, reflective mask manufacturing method, and semiconductor device manufacturing methodHOYA CORP·Filed 2021·Application pending·0 cites
- 3255US2024411220A1Multilayer reflective film-attached substrate, reflective mask blank, reflective mask, and method for producing semiconductor deviceHOYA CORP·Filed 2022·Application pending·0 cites
- 3354US2020331039A1Cleaning method and cleaning apparatusSUGINO MACH·Filed 2019·Application pending·0 cites
- 3454US2008195238A1Storage medium storing questionnaire answering program and questionnaire answer systemNINTENDO CO LTD·Filed 2007·Application pending·0 cites
- 3554US2023072220A1Multilayer-reflective-film-equipped substrate, reflective mask blank, reflective mask, and method for producing semiconductor deviceHOYA CORP·Filed 2021·Application pending·0 cites
- 3652US11561463B2Substrate with conductive film, substrate with multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing methodHOYA CORP·Filed 2018·Granted Jan 24, 2023·0 cites·23 claims
- 3752US2024142866A1Reflective mask blank, reflective mask, method for manufacturing reflective mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2022·Application pending·0 cites
- 3852US2024160095A1Reflection-type mask blank, reflection-type mask, method for manufacturing reflection-type mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2022·Application pending·0 cites
- 3951US5930989AFalse twisted yarnASAHI CHEMICAL IND·Filed 1996·Granted Aug 3, 1999·11 cites·4 claims
- 4047US7638917B2Electrical rotating machineKOKUSAN DENKI CO·Filed 2008·Granted Dec 29, 2009·0 cites·4 claims
- 4147US6820576B2Vehicle driven by internal combustion engine having generatorKOKUSAN DENKI CO·Filed 2003·Granted Nov 23, 2004·7 cites·2 claims
- 4246US2010052460A1Electrical rotating machineKOKUSAN DENKI CO·Filed 2009·Application pending·0 cites
- 4346US2022244630A1Thin film-attached substrate, multilayered reflective film-attached substrate, reflective mask blank, reflective mask, and method of manufacturing semiconductor deviceHOYA CORP·Filed 2020·Application pending·0 cites
- 4445US2023418148A1Multilayer reflective film-equipped substrate, reflective mask blank, reflective mask, and method for producing semiconductor deviceHOYA CORP·Filed 2021·Application pending·0 cites
- 4539US2013054070A1Electric working vehicleNAKAGAWA MASANORI·Filed 2012·Application pending·0 cites
- 4638US10263554B2Power supply device for internal combustion engineMAHLE ELECTRIC DRIVES JAPAN CORP·Filed 2015·Granted Apr 16, 2019·0 cites·12 claims
- 4736US7091812B2Inverter unitKOKUSAN DENKI CO·Filed 2004·Granted Aug 15, 2006·1 cites·5 claims
- 4835US2005242783A1Inverter controlled generator setKOKUSAN DENKI CO·Filed 2005·Application pending·0 cites
- 4932US6652598B1Process for the treatment of weft knitted fabricsASAHI CHEMICAL IND·Filed 1999·Granted Nov 25, 2003·5 cites·11 claims
- 5032US2004233590A1Inverter power supply deviceFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →