Bachman & LaPointe
Secondary battery with ion-exchange porous membrane
 An ion-exchange porous, secondary battery separation membrane produced by mixing a high molecular compound matrix material, an ion exchange material, and a pore forming material, kneading the materials, forming the kneaded materials in the form of a membrane, and extracting the pore forming material from the membrane. 
Kabushiki Kaisha Meidensha
H H H Y Y
H01M H01M H01M Y02E Y02E
inventional inventional inventional additional additional
Kazuo Toshinobu Yasuo
Fushimi Fujii Ando