Inventor · disambiguated record
Atsuhiro Takata
Also filed as: TAKATA ATSUHIRO
12 granted patents·12 pending applications·46 citations·filing 2001–2022
86Inventor score
Top patents by PatentIndex Score
24 records- 0182US6638988B2Porous film, separator for cell, and cellSUMITOMO CHEMICAL CO·Filed 2001·Granted Oct 28, 2003·22 cites·8 claims
- 0281US10014503B2Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery laminated separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2016·Granted Jul 3, 2018·2 cites·9 claims
- 0377US8049105B2Porous electrodes, devices including the porous electrodes, and methods for their productionSUMITOMO CHEMICAL CO·Filed 2005·Granted Nov 1, 2011·8 cites·15 claims
- 0474US7282109B2Method for producing laminated porous polyolefin film and laminated porous polyolefin filmSUMITOMO CHEMICAL CO·Filed 2004·Granted Oct 16, 2007·11 cites·2 claims
- 0562US11764440B2Nonaqueous electrolyte secondary battery separatorSUMITOMO CHEMICAL CO·Filed 2021·Granted Sep 19, 2023·0 cites·10 claims
- 0660US2021135178A1Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0759US12334590B2Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2022·Granted Jun 17, 2025·0 cites·7 claims
- 0859US2022320681A1Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 0957US6852270B2Production method of drawn filmSUMITOMO CHEMICAL CO·Filed 2002·Granted Feb 8, 2005·1 cites·15 claims
- 1056US2010015515A1Laminated porous film and separator for nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 1154US7223806B2Manufacturing method of film-like materials of resin and film-like materials of resinSUMITOMO CHEMICAL CO·Filed 2002·Granted May 29, 2007·1 cites·12 claims
- 1253US7049361B2Polyolefin series resinfilm, composition for preparing the same, process for preparing the composition for preparing the same, and apparatus for preparing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted May 23, 2006·1 cites·10 claims
- 1352US10707465B2Film manufacturing method, film manufacturing apparatus, and filmSUMITOMO CHEMICAL CO·Filed 2016·Granted Jul 7, 2020·0 cites·7 claims
- 1452US2012008253A1Porous electrodes, devices including the porous electrodes, and methods for their productionKURODA RYUMA·Filed 2011·Application pending·0 cites
- 1550US2022013858A1Method for inspecting nonaqueous electrolyte secondary battery separator, method for producing nonaqueous electrolyte secondary battery separator, device for inspecting nonaqueous electrolyte secondary battery separator, device for producing nonaqueous electrolyte secondary battery separator, and nonaqueous electrolyte secondary battery separatorSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 1649US2010040953A1Porous film and separator for nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 1746US6918559B2Method of slitting a battery separator-use resin film object and such a battery separator-use resin film objectSUMITOMO CHEMICAL CO·Filed 2002·Granted Jul 19, 2005·0 cites·6 claims
- 1846US2006234031A1Porous film, and production method and applications thereofSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 1946US2018250862A1Conveyer device and method for producing filmSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 2043US6884836B2Polyolefin based resin film and a composition for a polyolefin type resin filmSUMITOMO CHEMICAL CO·Filed 2002·Granted Apr 26, 2005·0 cites·4 claims
- 2142US2013011744A1Method for producing thermoplastic resin filmSUMITOMO CHEMICAL CO·Filed 2011·Application pending·0 cites
- 2241US2002192454A1Porous filmSUMITOMO CHEMICAL CO·Filed 2002·Application pending·0 cites
- 2341US2017155115A1Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery laminated separator, nonaqueous electrolyte secondary battery member, nonaqueous electrolyte secondary battery, and method for producing porous filmSUMITOMO CHEMICAL CO·Filed 2016·Application pending·0 cites
- 2441US2005202231A1Filter material for micro-filterSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
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