Inventor · disambiguated record
Hajime Itoh
Also filed as: ITOH HAJIME
35 granted patents·3 pending applications·432 citations·filing 1981–2013
97Inventor score
Top patents by PatentIndex Score
38 records- 0189US4802942AMethod of making multilayer composite hollow fibersMITSUBISHI RAYON CO·Filed 1987·Granted Feb 7, 1989·59 cites·5 claims
- 0288US4713292AMultilayer composite hollow fibers and method of making sameMITSUBISHI RAYON CO·Filed 1986·Granted Dec 15, 1987·54 cites·8 claims
- 0386US7007514B2Vacuum degassing apparatus for molten glassASAHI GLASS CO LTD·Filed 2002·Granted Mar 7, 2006·15 cites·3 claims
- 0485US6524508B1Process of making chitosan-containing acrylic fibersMITSUBISHI RAYON CO·Filed 2000·Granted Feb 25, 2003·30 cites·5 claims
- 0584US7650764B2Vacuum degassing apparatus for molten glassASAHI GLASS CO LTD·Filed 2005·Granted Jan 26, 2010·6 cites·9 claims
- 0683US8019206B2Glass manufacturing apparatus and a structural member thereofASAHI GLASS CO LTD·Filed 2007·Granted Sep 13, 2011·6 cites·13 claims
- 0779US4695592AHydrophilized porous membrane and production process thereofMITSUBISHI RAYON CO·Filed 1987·Granted Sep 22, 1987·33 cites·5 claims
- 0878US4919810APorous membraneMITSUBISHI RAYON CO·Filed 1987·Granted Apr 24, 1990·44 cites·9 claims
- 0976US9636622B2AccumulatorDENSO CORP·Filed 2013·Granted May 2, 2017·3 cites·9 claims
- 1076US7941038B2Glass manufacturing apparatus, a structural member thereof and method for heating the structural member by conduction heatingASAHI GLASS CO LTD·Filed 2007·Granted May 10, 2011·3 cites·10 claims
- 1175US4413424AAzimuth determinating apparatusNIPPON DENSO CO·Filed 1981·Granted Nov 8, 1983·32 cites·2 claims
- 1270US6948338B2Vacuum degassing apparatus for molten glassASAHI GLASS CO LTD·Filed 2002·Granted Sep 27, 2005·6 cites·3 claims
- 1365US8136373B2Conduit structure for molten glass and vacuum degassing apparatus using the conduit structureSASAKI MICHITO·Filed 2009·Granted Mar 20, 2012·1 cites·22 claims
- 1464US9073772B2Conduit structure for molten glass, vacuum degassing apparatus, vacuum degassing method for molten glass and process for producing glass products employing said conduit structureASAHI GLASS CO LTD·Filed 2013·Granted Jul 7, 2015·2 cites·15 claims
- 1562US7000432B2Process for producing a glass for cathode ray tubesASAHI GLASS CO LTD·Filed 2002·Granted Feb 21, 2006·8 cites·25 claims
- 1662US6551705B1Chitosan-containing acrylic fibers and process for preparing the sameMITSUBISHI RAYON CO·Filed 1999·Granted Apr 22, 2003·17 cites·20 claims
- 1761US4678813AHydrophilized porous polyolefin membrane and production process thereofMITSUBISHI RAYON CO·Filed 1986·Granted Jul 7, 1987·18 cites·5 claims
- 1860US8997526B2Vacuum degassing apparatus and vacuum degassing method for molten glassASAHI GLASS CO LTD·Filed 2013·Granted Apr 7, 2015·0 cites·6 claims
- 1955US8468851B2Vacuum degassing apparatus and vacuum degassing method for molten glassNISHIKAWA TORU·Filed 2012·Granted Jun 25, 2013·0 cites·21 claims
- 2054US8347654B2Vacuum degassing apparatus and vacuum degassing method for molten glassASAHI GLASS CO LTD·Filed 2010·Granted Jan 8, 2013·0 cites·13 claims
- 2153US8009970B2Method for electrically energizing and heating platinum composite tube structureASAHI GLASS CO LTD·Filed 2007·Granted Aug 30, 2011·0 cites·13 claims
- 2253US4422024AWiper control device for vehicleTOYOTA MOTOR CO LTD·Filed 1982·Granted Dec 20, 1983·15 cites·3 claims
- 2350US4876289AHydrophilized porous membrane and production process thereofMITSUBISHI RAYON CO·Filed 1988·Granted Oct 24, 1989·13 cites·4 claims
- 2450US4717479AHydrophilized porous polyolefin membrane and production process thereofMITSUBISHI RAYON CO·Filed 1987·Granted Jan 5, 1988·11 cites·4 claims
- 2548US5085515AMethod and apparatus for inspecting quality of manufactured articlesMITSUBISHI METAL CORP·Filed 1990·Granted Feb 4, 1992·14 cites·4 claims
- 2648US2011167850A1Air conditioner for vehicleDENSO CORP·Filed 2011·Application pending·0 cites
- 2746US4869857AProcess for producing porous membranesMITSUBISHI RAYON CO·Filed 1987·Granted Sep 26, 1989·12 cites·4 claims
- 2845US2009000335A1Glass production processASAHI GLASS CO LTD·Filed 2008·Application pending·0 cites
- 2940US5264531AAcrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefromMITSUBISHI RAYON CO·Filed 1991·Granted Nov 23, 1993·5 cites·2 claims
- 3037US2010251772A1Molten glass producing apparatus and molten glass producing method employing the apparatusASAHI GLASS CO LTD·Filed 2010·Application pending·0 cites
- 3136US5252396AReversibly color-changing shaped material and process for producing the sameMITSUBISHI RAYON CO·Filed 1991·Granted Oct 12, 1993·6 cites·2 claims
- 3236US4961853APorous membranes and production processes thereofMITSUBISHI RAYON CO·Filed 1988·Granted Oct 9, 1990·6 cites·9 claims
- 3334US5955169AFloppy diskMITSUBISHI RAYON CO·Filed 1996·Granted Sep 21, 1999·3 cites·5 claims
- 3434US5260131AWater-repellent hygroscopic fiberMITSUBISHI RAYON CO·Filed 1992·Granted Nov 9, 1993·5 cites·5 claims
- 3531US5234766AAcrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefromMITSUBISHI RAYON CO·Filed 1992·Granted Aug 10, 1993·2 cites·2 claims
- 3629US5429871AReversibly color-changing shaped material and process for producing the sameMITSUBISHI RAYON CO·Filed 1993·Granted Jul 4, 1995·3 cites·7 claims
- 3729US5097011AProcess for preparing acrylonitrile polymer filmMITSUBISHI RAYON CO·Filed 1989·Granted Mar 17, 1992·0 cites·1 claims
- 3828US8720229B2Vacuum degassing apparatus, apparatus for producing glass products and process for producing glass productsKITAMURA REI·Filed 2010·Granted May 13, 2014·0 cites·21 claims
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