Inventor · disambiguated record
Yasuyuki Fujii
Also filed as: FUJII YASUYUKI
21 granted patents·8 pending applications·228 citations·filing 1990–2021
95Inventor score
Top patents by PatentIndex Score
29 records- 0189USD776801SHeat exchanger tubeKOBE STEEL LTD·Filed 2014·Granted Jan 17, 2017·47 cites·1 claims
- 0286US7736396B2Hair dyeing compositionKAO CORP·Filed 2007·Granted Jun 15, 2010·5 cites·5 claims
- 0385US6524508B1Process of making chitosan-containing acrylic fibersMITSUBISHI RAYON CO·Filed 2000·Granted Feb 25, 2003·30 cites·5 claims
- 0479US6610403B1Acrylonitrile-based synthetic fiber and method for production thereofMITSUBISHI RAYON CO·Filed 2000·Granted Aug 26, 2003·17 cites·2 claims
- 0576US8753752B2Metal plate for heat exchange and method for manufacturing metal plate for heat exchangeFUJII YASUYUKI·Filed 2010·Granted Jun 17, 2014·3 cites·12 claims
- 0675US6696156B2Acrylic fiber and a manufacturing process thereforMITSUBISHI RAYON CO·Filed 2003·Granted Feb 24, 2004·13 cites·4 claims
- 0774US6733881B2Acrylic fiber and a manufacturing process thereforMITSUBISHI RAYON CO·Filed 2003·Granted May 11, 2004·12 cites·6 claims
- 0873US6060626AFluorine-containing ether compoundKAO CORP·Filed 1998·Granted May 9, 2000·14 cites·11 claims
- 0969US2019233975A1Acrylonitrile 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
- 1065US9656313B2Original plate material for heat-exchanging plate, and method for fabricating original plate material for heat-exchanging plateFUJII YASUYUKI·Filed 2011·Granted May 23, 2017·1 cites·7 claims
- 1165US5914430AProcess for producing ether compoundKAO CORP·Filed 1996·Granted Jun 22, 1999·10 cites·37 claims
- 1263US10017881B2Polyacrylonitrile-based copolymer, polyacrylonitrile-based precursor fiber for carbon fiber, carbon fiber bundles, process for producing stabilized fiber bundles, and process for producing carbon fiber bundlesSHINMEN YUSUKE·Filed 2012·Granted Jul 10, 2018·2 cites·9 claims
- 1363US5096621ADetergent composition containing di-long chain alkyl amine oxidesKAO CORP·Filed 1990·Granted Mar 17, 1992·24 cites·6 claims
- 1462US6551705B1Chitosan-containing acrylic fibers and process for preparing the sameMITSUBISHI RAYON CO·Filed 1999·Granted Apr 22, 2003·17 cites·20 claims
- 1561USD763804SPlate for heat exchangerKOBE STEEL LTD·Filed 2014·Granted Aug 16, 2016·11 cites·1 claims
- 1659US7582124B2Hair dyeing compositionKAO CORP·Filed 2007·Granted Sep 1, 2009·0 cites·5 claims
- 1753US2019233985A1Fiber and waddingMITSUBISHI CHEM CORP·Filed 2019·Application pending·0 cites
- 1853US2023293482A1Central nervous system potentiating compositionSHIBAURA INST TECH·Filed 2021·Application pending·0 cites
- 1951USD757662SPlate for heat exchangerKOBE STEEL LTD·Filed 2014·Granted May 31, 2016·7 cites·1 claims
- 2044US9802177B2Metal adsorption acrylic fiber, non-woven fabric, sheet-like product, and uses thereof as metal adsorbentMITSUBISHI CHEM CORP·Filed 2013·Granted Oct 31, 2017·0 cites·18 claims
- 2144US6002048AFluorine-containing ether compound and gelling agent containing the sameKAO CORP·Filed 1998·Granted Dec 14, 1999·10 cites·9 claims
- 2244US2012088104A1Acrylonitrile 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
- 2342US10640859B2Production method of rolled sheet for cold-rolling, and production method of pure titanium sheetKOBE STEEL LTD·Filed 2016·Granted May 5, 2020·0 cites·3 claims
- 2441US2004155377A1Acrylic fiber and a manufacturing process thereforMITSUBISHI RAYON CO·Filed 2004·Application pending·0 cites
- 2540US2014202677A1Original plate material for heat-exchanging plate and heat-exchanging plate using the sameFUJII YASUYUKI·Filed 2012·Application pending·0 cites
- 2639US2016363395A1Plate for use as heat exchange plate and method for manufacturing such base plateKOBE STEEL LTD·Filed 2015·Application pending·0 cites
- 2737US2017074599A1Welded titanium pipe and welded titanium pipe manufacturing methodKOBE STEEL LTD·Filed 2015·Application pending·0 cites
- 2835US6011071AEther compound and process for producing the sameKAO CORP·Filed 1996·Granted Jan 4, 2000·5 cites·14 claims
- 2928USD799012SHeat exchanger tubeKOBE STEEL LTD·Filed 2014·Granted Oct 3, 2017·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →