Inventor · disambiguated record
Atsushi Hirashima
Also filed as: HIRASHIMA ATSUSHI
20 granted patents·4 pending applications·398 citations·filing 1989–2022
92Inventor score
Files withMITSUBISHI GAS CHEMICAL CO17ISAHAYA YOSHINORI2MENICON CO LTD2ASAHI GLASS CO LTD1KAWASAKI HEAVY IND LTD1
Top patents by PatentIndex Score
24 records- 0197US4954586ASoft ocular lens materialMENICON CO LTD·Filed 1990·Granted Sep 4, 1990·364 cites·11 claims
- 0289US8969505B2Process for manufacturing branched aromatic polycarbonate resin with desired degree of branchingISAHAYA YOSHINORI·Filed 2012·Granted Mar 3, 2015·6 cites·15 claims
- 0385US9353216B2High-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
- 0484US9499661B2Process for producing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Nov 22, 2016·3 cites·11 claims
- 0578US10053537B2High-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
- 0678US9428608B2Aromatic polycarbonate resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Aug 30, 2016·2 cites·11 claims
- 0778US2022177646A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
- 0875US9546249B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jan 17, 2017·2 cites·15 claims
- 0972US9822218B2Process for producing a high molecular-weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2014·Granted Nov 21, 2017·1 cites·15 claims
- 1066US7951877B2Process for the production of vinyl compoundMITAUBISHI GAS CHEMICAL COMPANY INC·Filed 2008·Granted May 31, 2011·2 cites·9 claims
- 1163US2017174833A1High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compoundMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 1262US9458290B2Process for preparing highly polymerized aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Oct 4, 2016·0 cites·5 claims
- 1362US2019085123A1Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 1459US7193030B2Acid anhydride and polyimide using the sameMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Mar 20, 2007·5 cites·13 claims
- 1556US9701788B2Method for producing branched aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jul 11, 2017·0 cites·14 claims
- 1652US9243106B2Method for continuous production of high molecular weight polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jan 26, 2016·0 cites·13 claims
- 1750US11021571B2Manufacturing method for high molecular weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jun 1, 2021·0 cites·20 claims
- 1849US10343288B2Machining method and machining systemKAWASAKI HEAVY IND LTD·Filed 2015·Granted Jul 9, 2019·0 cites·13 claims
- 1948US10927216B2Manufacturing method for high molecular weight aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Feb 23, 2021·0 cites·16 claims
- 2048US10894860B2High molecular weight aromatic polycarbonate resin manufacturing methodMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jan 19, 2021·0 cites·10 claims
- 2147US2014371404A1Method for continuous production of high-molecular-weight polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 2012·Application pending·0 cites
- 2241US4920180AHighly water-absorptive ocular lens materialMENICON CO LTD·Filed 1989·Granted Apr 24, 1990·9 cites·12 claims
- 2338US9221740B2Method for producing carbonate compound and method for producing aromatic polycarbonateASAHI GLASS CO LTD·Filed 2015·Granted Dec 29, 2015·0 cites·7 claims
- 2428US5457174AMethod for preparing polycarbonates by transesterification in a steel reactorMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Oct 10, 1995·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →