Inventor · disambiguated record
Takafumi Nakagawa
Also filed as: NAKAGAWA TAKAFUMI
20 granted patents·9 pending applications·135 citations·filing 1987–2025
92Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC18MITSUBISHI ELECTRIC CORP7TOHO KASEI CO LTD2TAKAHASHI KAZUKI1TOSYO INC1
Top patents by PatentIndex Score
29 records- 0190US11252294B2Document conveyance apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Feb 15, 2022·3 cites·17 claims
- 0290US4737727ACharged beam apparatusMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Apr 12, 1988·74 cites·8 claims
- 0387US11390481B2Document conveyance apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Jul 19, 2022·2 cites·6 claims
- 0483US6933827B2Actuator, method of manufacturing the actuator and circuit breaker provided with the actuatorMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Aug 23, 2005·26 cites·17 claims
- 0568US8242643B2Three-stable oscillating electromagnetic actuatorTAKAHASHI KAZUKI·Filed 2008·Granted Aug 14, 2012·5 cites·10 claims
- 0667US12221306B2Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Feb 11, 2025·0 cites·5 claims
- 0764US7102475B2Magnetic actuatorMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Sep 5, 2006·12 cites·20 claims
- 0861US10941224B2Composite resin material and molded bodyTOHO KASEI CO LTD·Filed 2017·Granted Mar 9, 2021·0 cites·7 claims
- 0961US2025296792A1Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1059US7579780B2Power supply apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 25, 2009·2 cites·4 claims
- 1159US2025270063A1Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1258US2025230003A1Sheet conveying device and image processing apparatus including sheet conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1357US7560870B2Power supply apparatus for ion acceleratorMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jul 14, 2009·1 cites·9 claims
- 1457US2025250133A1Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1555US12466677B2Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Nov 11, 2025·0 cites·14 claims
- 1655US12338088B2Document sheet conveying device capable of achieving large capacity of sheet feed trayKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted Jun 24, 2025·0 cites·4 claims
- 1755US10394172B2Coming-off stopping mechanism, fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Aug 27, 2019·0 cites·15 claims
- 1853US2025187857A1Document conveying device, image reading device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1952US11215943B2Fixing device for toner image to sheet and image forming apparatus provided with fixing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Jan 4, 2022·0 cites·3 claims
- 2051US2023286770A1Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Application pending·0 cites
- 2151US2024383699A1Document transport device and image forming apparatus that raises and lowers document placement trayKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 2248US10739709B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Aug 11, 2020·0 cites·16 claims
- 2347US11652938B2Document conveyance device and image forming systemKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted May 16, 2023·0 cites·8 claims
- 2447US11572246B2Document conveying apparatus that properly discharges documents regardless of amount of documentsKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Feb 7, 2023·0 cites·7 claims
- 2547US10920059B2Composite resin material and molded articleTOHO KASEI CO LTD·Filed 2018·Granted Feb 16, 2021·0 cites·7 claims
- 2646US2025301079A1Document conveying deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2742US5057766AApparatus for detecting position of charged particleMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 15, 1991·10 cites·11 claims
- 2838US2025182191A1Method and device for operating virtual storeTOSYO INC·Filed 2022·Application pending·0 cites
- 2930US11117685B2Artificial satellite and thrust balance adjustment methodMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Sep 14, 2021·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →