Inventor
OZEKI TOMOAKI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OZEKI TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
4 patentsUS10059085B2Aug 28, 2018
Wound body of porous film, and manufacturing method thereof
SUMITOMO CHEMICAL CO2 citations70
US11031655B2Jun 8, 2021
Nonaqueous electrolyte secondary battery separator and method of producing same
SUMITOMO CHEMICAL CO0 citations55
US10290849B2May 14, 2019
Laminated porous film and non-aqueous electrolyte secondary cell
SUMITOMO CHEMICAL CO0 citations39
US10727463B2Jul 28, 2020
Long porous separator sheet, method for producing the same, roll, and lithium-ion battery
SUMITOMO CHEMICAL CO0 citations34