Inventor · disambiguated record
Takashi Nara
Also filed as: HORITA RYUTARO · NARA TAKASHI
69 granted patents·7 pending applications·989 citations·filing 1984–2023
99Inventor score
Files withHITACHI LTD15KONICA MINOLTA BUSINESS TECH12AUDIO TECHNICA KK10KONICA MINOLTA INC10FUJITSU LTD8
Top patents by PatentIndex Score
76 records- 0198US5878097ASignal processing delay circuitHITACHI LTD·Filed 1997·Granted Mar 2, 1999·158 cites·3 claims
- 0296USD948483SEarphoneAUDIO TECHNICA KK·Filed 2020·Granted Apr 12, 2022·36 cites·1 claims
- 0394USD933601SBattery charger for earphoneAUDIO TECHNICA KK·Filed 2020·Granted Oct 19, 2021·26 cites·1 claims
- 0493US7778579B2Color image forming apparatus which executes color misregistration correction processingKONICA MINOLTA BUSINESS TECH·Filed 2007·Granted Aug 17, 2010·16 cites·20 claims
- 0593US7289745B2Image forming apparatus with power supply systemKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Oct 30, 2007·16 cites·30 claims
- 0693US5636254ASignal processing delay circuitHITACHI LTD·Filed 1995·Granted Jun 3, 1997·70 cites·15 claims
- 0790US7193170B2Push buttonKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Mar 20, 2007·30 cites·16 claims
- 0885US11399227B2Wireless earphone charger, wireless earphone and wireless earphone systemAUDIO TECHNICA KK·Filed 2019·Granted Jul 26, 2022·5 cites·11 claims
- 0985USD924850SEarphoneAUDIO TECHNICA KK·Filed 2019·Granted Jul 13, 2021·23 cites·1 claims
- 1085US6445522B1Disk device and method of generating signal representing headHITACHI LTD·Filed 2000·Granted Sep 3, 2002·13 cites·33 claims
- 1184USD997133SEarphoneAUDIO TECHNICA KK·Filed 2021·Granted Aug 29, 2023·9 cites·1 claims
- 1284US6791776B2Apparatus for information recording and reproducingHITACHI LTD·Filed 2001·Granted Sep 14, 2004·18 cites·8 claims
- 1384US5572163AActive filter control apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·39 cites·12 claims
- 1483US8639131B2Belt drive apparatus and image forming apparatusPENG YOUBAO·Filed 2010·Granted Jan 28, 2014·4 cites·12 claims
- 1583US5844741ASystem for reproducing high-density magnetic record data with viterbi detector for generating quadripartite reproduction dataHITACHI LTD·Filed 1995·Granted Dec 1, 1998·40 cites·18 claims
- 1682US7139143B2Disk device and method of generating signal representing headHITACHI LTD·Filed 2003·Granted Nov 21, 2006·10 cites·16 claims
- 1782US6980385B2Apparatus for information recording and reproducingHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 27, 2005·15 cites·12 claims
- 1882US5937020ADigital information signal reproducing circuit and digital information systemHITACHI LTD·Filed 1996·Granted Aug 10, 1999·42 cites·42 claims
- 1981US8059145B2Color image forming apparatus and image forming methodUEDA TADAYUKI·Filed 2008·Granted Nov 15, 2011·7 cites·16 claims
- 2080US7777896B2Signal processing apparatus and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Aug 17, 2010·6 cites·11 claims
- 2179US9838568B2Image reading apparatus and image forming systemKONICA MINOLTA INC·Filed 2016·Granted Dec 5, 2017·3 cites·16 claims
- 2279US4698801ADigital exchange systemFUJITSU LTD·Filed 1984·Granted Oct 6, 1987·30 cites·13 claims
- 2378USD934841SEarphoneAUDIO TECHNICA KK·Filed 2019·Granted Nov 2, 2021·16 cites·1 claims
- 2478USD893450SHeadphoneAUDIO-TECHNICA CORP·Filed 2019·Granted Aug 18, 2020·17 cites·1 claims
- 2578US7430085B2Disk device and method of generating signal representing headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 30, 2008·2 cites·2 claims
- 2677US4761779ASubscriber's line switching control systemFUJITSU LTD·Filed 1986·Granted Aug 2, 1988·47 cites·5 claims
- 2776US10165141B2Image reading apparatus, image forming apparatus, image forming system, image forming method, and non-transitory computer-readable recording medium which stores image forming control program thereinKONICA MINOLTA INC·Filed 2016·Granted Dec 25, 2018·2 cites·26 claims
- 2873US7310485B2Temperature control of a fixing roller in an image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Dec 18, 2007·13 cites·16 claims
- 2971USD934840SEarphoneAUDIO TECHNICA KK·Filed 2019·Granted Nov 2, 2021·11 cites·1 claims
- 3071US8979739B2Bending tube and medical instrumentOLYMPUS MEDICAL SYSTEMS CORP·Filed 2014·Granted Mar 17, 2015·6 cites·8 claims
- 3171US5940416ADigital signal decoding apparatus and a decoding method used thereinHITACHI LTD·Filed 1997·Granted Aug 17, 1999·32 cites·9 claims
- 3269US11947298B2Recording material conveying device and image forming systemKONICA MINOLTA INC·Filed 2022·Granted Apr 2, 2024·0 cites·21 claims
- 3369US8412086B2Image forming apparatus, clear layer forming apparatus, and image forming systemMATSUDAIRA TADASHI·Filed 2010·Granted Apr 2, 2013·2 cites·21 claims
- 3469US7978995B2Image forming apparatus for image density adjustmentKONICA MINOLTA BUSINESS TECH·Filed 2007·Granted Jul 12, 2011·3 cites·11 claims
- 3568US9820635B2Bending tube for endoscope and endoscopeOLYMPUS CORP·Filed 2015·Granted Nov 21, 2017·2 cites·7 claims
- 3668US7880756B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Feb 1, 2011·2 cites·12 claims
- 3767US9477187B2Temperature-measuring device that measures temperature of sheet, and image-forming apparatus using the sameKONICA MINOLTA INC·Filed 2016·Granted Oct 25, 2016·1 cites·5 claims
- 3867US2023016068A1Bending section of endoscope, endoscope insertion section, and endoscopeOLYMPUS CORP·Filed 2022·Application pending·0 cites
- 3966US9955045B2Reading apparatus, reading control method, and reading control programKONICA MINOLTA INC·Filed 2016·Granted Apr 24, 2018·1 cites·9 claims
- 4065US7502045B2Image forming apparatus with LED headKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Mar 10, 2009·2 cites·5 claims
- 4165US4808223ASilver/metal oxide material for electrical contacts and method of producing the sameFUJI ELECTRIC CO LTD·Filed 1987·Granted Feb 28, 1989·16 cites·14 claims
- 4265US4661946ADigital switch module having encoding law conversion capabilityFUJITSU LTD·Filed 1985·Granted Apr 28, 1987·27 cites·19 claims
- 4364USD1031691SHeadphoneAUDIO TECHNICA KK·Filed 2022·Granted Jun 18, 2024·2 cites·1 claims
- 4463US5614860AVoltage-controlled filter circuit, a semiconductor integrated circuit device for signal processing, and a signal reading apparatus using the circuit and the apparatusHITACHI LTD·Filed 1995·Granted Mar 25, 1997·21 cites·8 claims
- 4561US6373407B1Data encoding method for digital data recording and data recording system using the sameHITACHI LTD·Filed 1999·Granted Apr 16, 2002·15 cites·5 claims
- 4661US4659384AGallium alloy for dental restorationsTOKURIKI HONTEN KK·Filed 1985·Granted Apr 21, 1987·36 cites·10 claims
- 4760US6326838B1Time sharing analog filters control method and magnetic disk systemHITACHI LTD·Filed 1999·Granted Dec 4, 2001·15 cites·5 claims
- 4859USD1024942SBattery charger for earphonesAUDIO TECHNICA KK·Filed 2021·Granted Apr 30, 2024·2 cites·1 claims
- 4959US6563656B2Disk device and method of generating signal representing headHITACHI LTD·Filed 2002·Granted May 13, 2003·2 cites·12 claims
- 5059US6172828B1Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo dataHITACHI LTD·Filed 1997·Granted Jan 9, 2001·9 cites·12 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →