Inventor · disambiguated record
Akimitsu Tsukuda
Also filed as: TSUKUDA AKIMITSU
31 granted patents·11 pending applications·264 citations·filing 1992–2022
96Inventor score
Top patents by PatentIndex Score
42 records- 0185US8477267B2Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing filmFUJISAWA KATSUYA·Filed 2010·Granted Jul 2, 2013·7 cites·2 claims
- 0285US7852435B2Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing filmKURARAY CO·Filed 2004·Granted Dec 14, 2010·27 cites·28 claims
- 0383US12002988B2Porous film including porous base and porous layer having inorganic particles and resin particles containing fluoro (meth)acrylate-containing or silicon-containing polymer, separator for secondary batteries, and secondary batteryTORAY INDUSTRIES·Filed 2019·Granted Jun 4, 2024·2 cites·9 claims
- 0483US7866487B2Aromatic polyamide porous film, process for producing the same and secondary batteryTORAY INDUSTRIES·Filed 2005·Granted Jan 11, 2011·8 cites·12 claims
- 0582US5460890ABiaxially stretched isotropic polyimide film having specific propertiesDU PONT·Filed 1992·Granted Oct 24, 1995·37 cites·3 claims
- 0680US7868102B2Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so producedTORAY INDUSTRIES·Filed 2009·Granted Jan 11, 2011·2 cites·2 claims
- 0780US5324475AProcess for preparing biaxially stretched isotropic polyimide filmDU PONT·Filed 1993·Granted Jun 28, 1994·43 cites·11 claims
- 0878US10751980B2Multilayer filmTORAY INDUSTRIES·Filed 2017·Granted Aug 25, 2020·3 cites·7 claims
- 0977US10777796B2Secondary battery separator and secondary batteryTORAY INDUSTRIES·Filed 2017·Granted Sep 15, 2020·1 cites·16 claims
- 1077US6274220B1Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefromTORAY INDUSTRIES·Filed 1997·Granted Aug 14, 2001·31 cites·20 claims
- 1174US7531252B2Film and magnetic-recording medium using the sameTORAY INDUSTRIES·Filed 2004·Granted May 12, 2009·10 cites·1 claims
- 1271US7511112B2Aromatic polymer, film, electrolyte membrane and separatorTORAY INDUSTRIES·Filed 2004·Granted Mar 31, 2009·7 cites·19 claims
- 1370US2025026888A1Particle composition, film, optical lens, diffractive optical element, ion conductive membrane, battery separator film, secondary battery, circuit board, and diaphragmTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 1469US10044017B2Aromatic polyamide porous film, separator for battery, and batterySAWAMOTO ATSUSHI·Filed 2012·Granted Aug 7, 2018·2 cites·12 claims
- 1567US5993938AAromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same filmTORAY INDUSTRIES·Filed 1997·Granted Nov 30, 1999·28 cites·9 claims
- 1665US8859648B2Retardation film and polyester resin for optical useMORIYAMA HIDEKI·Filed 2006·Granted Oct 14, 2014·1 cites·9 claims
- 1764US6468628B2Magnetic recording mediumTORAY INDUSTRIES·Filed 2001·Granted Oct 22, 2002·5 cites·8 claims
- 1863US8153753B2Alicyclic or aromatic polyamides, polyamide films, optical members made by using the same, and polyamide copolymersMORIYAMA HIDEKI·Filed 2004·Granted Apr 10, 2012·7 cites·24 claims
- 1961US2009182171A1Compound having oxadiazole structure and a dehydration-cyclization method for producing the sameMORIYAMA HIDEKI·Filed 2009·Application pending·0 cites
- 2060US2024097273A1Non-aqueous electrolyte secondary batteryTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 2160US2024213618A1Secondary batteryTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 2259US11742514B2Porous film, separator for secondary batteries, and secondary batteryTORAY INDUSTRIES·Filed 2018·Granted Aug 29, 2023·0 cites·8 claims
- 2359US10950914B2Porous film, separator for secondary batteries, and secondary batteryTORAY INDUSTRIES·Filed 2018·Granted Mar 16, 2021·0 cites·10 claims
- 2458US2023198097A1Porous film, separator for secondary battery, and secondary batteryTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 2557US2023126565A1Porous film, separator for secondary battery, and secondary batteryTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 2657US2023130427A1Porous film, separator for secondary battery, and secondary batteryTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 2752US10173179B2Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode compositeTORAY INDUSTRIES·Filed 2015·Granted Jan 8, 2019·0 cites·7 claims
- 2849US11637351B2Porous film, separator for rechargeable battery, and rechargeable batteryTORAY INDUSTRIES·Filed 2018·Granted Apr 25, 2023·0 cites·11 claims
- 2949US2020358066A1Porous film, separator for secondary cell, and secondary cellTORAY INDUSTRIES·Filed 2018·Application pending·0 cites
- 3047US5686166AMagnetic recording medium having specified base film surface characteristicsTORAY INDUSTRIES·Filed 1995·Granted Nov 11, 1997·7 cites·7 claims
- 3144US6368722B1Laminated film and processTORAY INDUSTRIES·Filed 1999·Granted Apr 9, 2002·9 cites·7 claims
- 3243US2007243364A1Acrylic Resin Films and Process for Producing the SameMAEKAWA SHIGETOSHI·Filed 2005·Application pending·0 cites
- 3342US10305143B2Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode compositeTORAY INDUSTRIES·Filed 2015·Granted May 28, 2019·0 cites·9 claims
- 3442US6797381B1Highly size-stabilized polymer film and magnetic recording medium using the filmTORAY INDUSTRIES·Filed 1999·Granted Sep 28, 2004·10 cites·7 claims
- 3542US2007258022A1Liquid-Crystal Panel, Manufacturing Process Therefor and Electronic Device Equipped with Liquid-Crystal PanelTAKECHI KAZUSHIGE·Filed 2004·Application pending·0 cites
- 3640US2019319238A1Porous film, separator for secondary batteries, and secondary batteryTORAY INDUSTRIES·Filed 2018·Application pending·0 cites
- 3739US8815384B2Aromatic polyamide porous film and separator for capacitor or battery using the sameSAWAMOTO ATSUSHI·Filed 2010·Granted Aug 26, 2014·0 cites·14 claims
- 3839US5969080AFilm made of an aromatic polyamide and/or aromatic polyimide and a magnetic recording medium using itTORAY INDUSTRIES·Filed 1997·Granted Oct 19, 1999·8 cites·16 claims
- 3935US6358619B1Aromatic polyamide film and magnetic recording medium using itTORAY INDUSTRIES·Filed 1998·Granted Mar 19, 2002·7 cites·9 claims
- 4033US5645918AMagnetic recording medium having an aromatic polyamide substrateTORAY INDUSTRIES·Filed 1995·Granted Jul 8, 1997·2 cites·2 claims
- 4129USRE40039EAromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefromTORAY INDUSTRIES·Filed 1997·Granted Jan 29, 2008·0 cites·20 claims
- 4229US6010765AAromatic polyamide filmTORAY INDUSTRIES·Filed 1997·Granted Jan 4, 2000·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →