Inventor · disambiguated record
Naoki Sugiura
Also filed as: SUGIURA NAOKI
18 granted patents·14 pending applications·76 citations·filing 1989–2025
91Inventor score
Top patents by PatentIndex Score
32 records- 0183US7135516B2Sizing agent for carbon fiber, method for sizing carbon fiber by said sizing agent, sized carbon fiber and knitted or woven fabric using said carbon fiberMITSUBISHI RAYON CO·Filed 2002·Granted Nov 14, 2006·20 cites·8 claims
- 0282US10837127B2Carbon fiber bundle and method of producing carbon fiber bundleMITSUBISHI RAYON CO·Filed 2013·Granted Nov 17, 2020·2 cites·4 claims
- 0381US10955107B1Vehicle headlightKOITO MFG CO LTD·Filed 2018·Granted Mar 23, 2021·3 cites·4 claims
- 0479US9873777B2Carbon fiber bundle and method of producing carbon fibersMITSUBISHI RAYON CO·Filed 2013·Granted Jan 23, 2018·2 cites·22 claims
- 0576US7150913B2Sizing agent for carbon fiber, aqueous dispersion of the same, carbon fiber treated by sizing, sheet comprising the carbon fiber, and carbon fiber-reinforced composite materialMITSUBISHI RAYON CO·Filed 2002·Granted Dec 19, 2006·14 cites·16 claims
- 0675US11970791B2Carbon fiber bundle and method of producing carbon fiber bundleMITSUBISHI CHEM CORP·Filed 2020·Granted Apr 30, 2024·0 cites·19 claims
- 0772US7094468B2Sizing agent for carbon fiber, aqueous dispersion thereof, carbon fiber treated by sizing sheet-form object comprising the carbon fiber, and carbon fiber-reinforced coposite materialMITSUBISHI RAYON CO·Filed 2002·Granted Aug 22, 2006·15 cites·23 claims
- 0870US8932711B2Oil agent composition for acrylic precursor fibers for carbon fibers, acrylic precursor fiber bundle for carbon fibers, and method for producing the sameASO HIROMI·Filed 2008·Granted Jan 13, 2015·2 cites·18 claims
- 0969US8221840B2Method for producing a carbon fiber bundleSUGIURA NAOKI·Filed 2009·Granted Jul 17, 2012·3 cites·1 claims
- 1069US2019233975A1Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereofMITSUBISHI CHEM CORP·Filed 2019·Application pending·0 cites
- 1167US12178408B2EndoscopeFUJIFILM CORP·Filed 2022·Granted Dec 31, 2024·0 cites·5 claims
- 1261US5124010ACarbon fibers having modified surfaces and process for producing the sameMITSUBISHI RAYON CO·Filed 1989·Granted Jun 23, 1992·12 cites·19 claims
- 1361US2024188811A1EndoscopeFUJIFILM CORP·Filed 2023·Application pending·0 cites
- 1458US12162185B2Fiber-reinforced resin prepreg, molded article, and fiber-reinforced thermoplastic resin prepregMITSUBISHI CHEM CORP·Filed 2020·Granted Dec 10, 2024·0 cites·20 claims
- 1557US2021309820A1Sizing agent, sizing agent-adhered carbon fibers and method for producing same, aqueous dispersion of sizing agent, prepreg and method for producing same, and method for producing carbon fiber-reinforced composite materialMITSUBISHI CHEM CORP·Filed 2021·Application pending·0 cites
- 1656US2025302280A1EndoscopeFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 1755US11503983B2EndoscopeFUJIFILM CORP·Filed 2018·Granted Nov 22, 2022·0 cites·10 claims
- 1855US2025302281A1EndoscopeFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 1954US11787913B2Sizing agent for carbon fibers, aqueous dispersion of sizing agent for carbon fibers, and sizing agent-adhered carbon fiber bundleMITSUBISHI CHEM CORP·Filed 2019·Granted Oct 17, 2023·0 cites·9 claims
- 2050US10087558B2Carbon fiber manufacturing methodMITSUBISHI CHEM CORP·Filed 2014·Granted Oct 2, 2018·0 cites·6 claims
- 2150US9776559B2Vehicular display systemKOITO MFG CO LTD·Filed 2016·Granted Oct 3, 2017·0 cites·6 claims
- 2250US2008304279A1Discharge lamp lighting unitKOITO MFG CO LTD·Filed 2008·Application pending·0 cites
- 2349US2006258810A1Carbon fiber bundle process for producing the same and thermoplastic resin composition and molded article thereofMITSUBISHI RAYON CO·Filed 2004·Application pending·0 cites
- 2446US2014003072A1Vehicular rear panelKOITO MFG CO LTD·Filed 2013·Application pending·0 cites
- 2544US8012584B2High-performance pressure vessel and carbon fiber for pressure vesselMITSUBISHI RAYON CO·Filed 2004·Granted Sep 6, 2011·3 cites·12 claims
- 2644US2012088104A1Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereofHASHIMOTO HIROSHI·Filed 2010·Application pending·0 cites
- 2743US2012163002A1Discharge lamp lighting deviceYANAGIDU SHOHEI·Filed 2011·Application pending·0 cites
- 2842US2012208019A1Carbon fiber bundle and method for producing sameSUGIURA NAOKI·Filed 2010·Application pending·0 cites
- 2942US2012088103A1Carbon fiber bundle that develops high mechanical performanceSUGIURA NAOKI·Filed 2010·Application pending·0 cites
- 3040US2019040549A1Carbon fiber bundle that develops high mechanical performanceMITSUBISHI CHEM CORP·Filed 2018·Application pending·0 cites
- 3139US9862824B2Carbon fiber sizing agent, aqueous dispersion thereof, carbon fiber bundle applied with sizing agent, sheet-like article comprising carbon fiber bundle, and carbon fiber reinforced composite materialWAKABAYASHI KOUKI·Filed 2012·Granted Jan 9, 2018·0 cites·14 claims
- 3239US2016060793A1Carbon fiber bundle and method for producing sameMITSUBISHI RAYON CO·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Naoki Sugiura files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →