Inventor · disambiguated record
Takahiro Okugawa
Also filed as: OKUGAWA TAKAHIRO
8 granted patents·5 pending applications·4 citations·filing 2015–2020
74Inventor score
Top patents by PatentIndex Score
13 records- 0183US10059085B2Wound body of porous film, and manufacturing method thereofSUMITOMO CHEMICAL CO·Filed 2015·Granted Aug 28, 2018·2 cites·7 claims
- 0277US11975524B2Cold protection material and method for manufacturing sameDEE LAB CO LTD·Filed 2020·Granted May 7, 2024·1 cites·8 claims
- 0365US10591347B2Method for measuring basis weight, method for manufacturing laminated film, and device for measuring basis weightSUMITOMO CHEMICAL CO·Filed 2016·Granted Mar 17, 2020·1 cites·10 claims
- 0460US10347891B2Laminated separator rollSUMITOMO CHEMICAL CO·Filed 2017·Granted Jul 9, 2019·0 cites·3 claims
- 0555US10661528B2Separator and secondary battery including the separatorSUMITOMO CHEMICAL CO·Filed 2016·Granted May 26, 2020·0 cites·7 claims
- 0651US10677587B2Method for measuring curl in separator, slit device, and curl measurement deviceSUMITOMO CHEMICAL CO·Filed 2017·Granted Jun 9, 2020·0 cites·12 claims
- 0750US12155070B2Lithium metal composite oxide powder and positive electrode active material for lithium secondary batterySUMITOMO CHEMICAL CO·Filed 2020·Granted Nov 26, 2024·0 cites·10 claims
- 0849US2023024924A1Cold protection materialDEE LAB CO LTD·Filed 2020·Application pending·0 cites
- 0941US2017341854A1Package of porous separator roll, method for producing the same, and method for storing porous separator rollSUMITOMO CHEMICAL CO·Filed 2017·Application pending·0 cites
- 1040US10290849B2Laminated porous film and non-aqueous electrolyte secondary cellSUMITOMO CHEMICAL CO·Filed 2015·Granted May 14, 2019·0 cites·4 claims
- 1139US2020067139A1Separator and secondary battery including the separatorSUMITOMO CHEMICAL CO·Filed 2016·Application pending·0 cites
- 1238US2019245180A1Separator and secondary battery including the separatorSUMITOMO CHEMICAL CO·Filed 2016·Application pending·0 cites
- 1337US2017155124A1Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery laminated separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary batterySUMITOMO CHEMICAL CO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →