Inventor
OKAMURA KIYONOBU
JP5 patents
Patents
5 patentsUS4384023AMay 17, 1983
Porous polyethylene film
MITSUBISHI RAYON CO55 citations91
US4368227AJan 11, 1983
Suede-like sheet materials of ultrafine fibers
MITSUBISHI RAYON CO17 citations80
US4147574AApr 3, 1979
Suede-like sheet materials and method of producing the same
MITSUBISHI RAYON CO28 citations80
US5057218AOct 15, 1991
Porous membrane and production process thereof
MITSUBISHI RAYON CO8 citations69
US5043216AAug 27, 1991
Porous polyethylene fibers
MITSUBISHI RAYON CO12 citations68