P

Inventor

HAYASHI YUZURU

7 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI YUZURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TEIJIN LTD

6 patents
US4353802AOct 12, 1982

Semipermeable composite membrane

TEIJIN LTD121 citations96
US4302336ANov 24, 1981

Semipermeable composite membrane

TEIJIN LTD149 citations96
US4360434ANov 23, 1982

Amphoteric ion-permeable composite membrane

TEIJIN LTD78 citations95
US4265745AMay 5, 1981

Permselective membrane

TEIJIN LTD61 citations95
US4242208ADec 30, 1980

Semipermeable composite membrane and process for preparation thereof

TEIJIN LTD41 citations92
US4260652AApr 7, 1981

Preparation of permselective composite membrane

TEIJIN LTD20 citations70

KAWAGUCHI TAKEYUKI

1 patent
US4388189AJun 14, 1983

Process for preparation of improved semipermeable composite membranes

KAWAGUCHI TAKEYUKI162 citations96