Inventor · disambiguated record
Takamasa Egawa
Also filed as: EGAWA TAKAMASA
5 granted patents·4 pending applications·0 citations·filing 2015–2022
60Inventor score
Files withSUMITOMO CHEMICAL CO9
Top patents by PatentIndex Score
9 records- 0160US2024199436A1Alumina particles and resin composition using sameSUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 0259US11198778B2Nonaqueous electrolyte secondary battery separatorSUMITOMO CHEMICAL CO·Filed 2018·Granted Dec 14, 2021·0 cites·8 claims
- 0357US11491494B2Separator film conveyance device for nonaqueous electrolytic-solution secondary battery and method for manufacturing separator film for nonaqueous electrolytic-solution secondary batterySUMITOMO CHEMICAL CO·Filed 2018·Granted Nov 8, 2022·0 cites·14 claims
- 0455US2018277814A1Inorganic oxide powder, slurry containing same, nonaqueous electrolyte secondary battery, and method for manufacturing nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 0554US10629856B2Electrode assembly and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2017·Granted Apr 21, 2020·0 cites·5 claims
- 0654US10014502B2Inorganic oxide powder, slurry containing same, nonaqueous electrolyte secondary battery, and method for manufacturing nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2015·Granted Jul 3, 2018·0 cites·5 claims
- 0753US10581051B2Separator winding core, separator roll, and method of cleaning separator winding coreSUMITOMO CHEMICAL CO·Filed 2017·Granted Mar 3, 2020·0 cites·6 claims
- 0853US2020343505A1Method for producing separator and apparatus for producing separatorSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0953US2020341070A1Method for producing slit separators and apparatus for producing slit separatorsSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →