Membership
Tour
Register
Log in
Yuzuru Hayashi
Follow
Person
Iwakuni, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for preparation of improved semipermeable composite membranes
Patent number
4,388,189
Issue date
Jun 14, 1983
Takeyuki Kawaguchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Amphoteric ion-permeable composite membrane
Patent number
4,360,434
Issue date
Nov 23, 1982
Teijin Limited
Takeyuki Kawaguchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Semipermeable composite membrane
Patent number
4,353,802
Issue date
Oct 12, 1982
Teijin Limited
Shigeyoshi Hara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Semipermeable composite membrane
Patent number
4,302,336
Issue date
Nov 24, 1981
Teijin Limited
Takeyuki Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Permselective membrane
Patent number
4,265,745
Issue date
May 5, 1981
Teijin Limited
Takeyuki Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of permselective composite membrane
Patent number
4,260,652
Issue date
Apr 7, 1981
Teijin Limited
Yutaka Taketani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Semipermeable composite membrane and process for preparation thereof
Patent number
4,242,208
Issue date
Dec 30, 1980
Teijin Limited
Takeyuki Kawaguchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL