Inventor · disambiguated record
Yoshinori Isahaya
Also filed as: ISAHAYA YOSHINORI
24 granted patents·7 pending applications·94 citations·filing 1995–2022
94Inventor score
Top patents by PatentIndex Score
31 records- 0193US11161816B2Method for producing aromatic nitrile compound and method for producing carbonic acid esterMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Nov 2, 2021·2 cites·3 claims
- 0292US8674053B2Process for production of highly polymerized aromatic polycarbonate resinISAHAYA YOSHINORI·Filed 2010·Granted Mar 18, 2014·12 cites·16 claims
- 0390US10793524B2Method for producing aromatic nitrile compound and method for producing carbonic acid esterMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Oct 6, 2020·4 cites·22 claims
- 0489US8969505B2Process for manufacturing branched aromatic polycarbonate resin with desired degree of branchingISAHAYA YOSHINORI·Filed 2012·Granted Mar 3, 2015·6 cites·15 claims
- 0586US8026336B2Polycarbonate resin composition and method of producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 2010·Granted Sep 27, 2011·4 cites·14 claims
- 0685US9353216B2High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundISAHAYA YOSHINORI·Filed 2012·Granted May 31, 2016·3 cites·16 claims
- 0784US9499661B2Process for producing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Nov 22, 2016·3 cites·11 claims
- 0879US10584092B2Method for producing aromatic nitrile compound and method for producing carbonate esterMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Mar 10, 2020·2 cites·15 claims
- 0978US10053537B2High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundMITSUBISHI GAS CHEMICAL CO·Filed 2016·Granted Aug 21, 2018·1 cites·2 claims
- 1078US9428608B2Aromatic polycarbonate resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Aug 30, 2016·2 cites·11 claims
- 1178US2022177646A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
- 1275US9546249B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jan 17, 2017·2 cites·15 claims
- 1372US9822218B2Process for producing a high molecular-weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2014·Granted Nov 21, 2017·1 cites·15 claims
- 1468US5910562ACopolycarbonate resin and resin composition comprising the sameMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Jun 8, 1999·21 cites·18 claims
- 1565US5654380AAliphatic polyester carbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Aug 5, 1997·21 cites·8 claims
- 1663US2017174833A1High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 1762US11142506B2Diaryl carbonate and method for producing the same, and method for producing an aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Oct 12, 2021·0 cites·3 claims
- 1862US9458290B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Oct 4, 2016·0 cites·5 claims
- 1962US2019085123A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 2061US6359103B1Aromatic-aliphatic copolycarbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Mar 19, 2002·4 cites·3 claims
- 2156US9701788B2Method for producing branched aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jul 11, 2017·0 cites·14 claims
- 2252US9243106B2Method for continuous production of high molecular weight polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jan 26, 2016·0 cites·13 claims
- 2350US11021571B2Manufacturing method for high molecular weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jun 1, 2021·0 cites·20 claims
- 2450US6271336B2Process for producing aromatic-aliphatic copolycarbonateMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Aug 7, 2001·1 cites·4 claims
- 2548US10927216B2Manufacturing method for high molecular weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Feb 23, 2021·0 cites·16 claims
- 2648US10894860B2High molecular weight aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jan 19, 2021·0 cites·10 claims
- 2747US2018290989A1Diaryl carbonate and method for producing the same, and method for producing an aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2016·Application pending·0 cites
- 2847US2014371404A1Method for continuous production of high-molecular-weight polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2012·Application pending·0 cites
- 2943US2008097045A1Polymerizable CompositionISAHAYA YOSHINORI·Filed 2005·Application pending·0 cites
- 3043US2004063825A1Aromatic-aliphatic copolycarbonate resin compositionFiled 2001·Application pending·0 cites
- 3142US6376641B2Aromatic-aliphatic copolycarbonate and process for producing the sameMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Apr 23, 2002·5 cites·6 claims
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