Seiji Takao

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for melt spinning aromatic polyester
- Patent number 4,871,501
- Issue date Oct 3, 1989
- Sumitomo Chemical Company
- Hiroaki Sugimoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing aromatic polyester fiber
- Patent number 4,865,790
- Issue date Sep 12, 1989
- Sumitomo Chemical Company, Limited
- Hiroaki Sugimoto
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Melt spinning process of aromatic polyester
- Patent number 4,743,416
- Issue date May 10, 1988
- Sumitomo Chemical Company, Limited
- Hiroaki Sugimoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method for the production of high strength polyacrylonitrile fiber
- Patent number 4,659,529
- Issue date Apr 21, 1987
- Japan Exlan Company, Ltd.
- Toshiyuki Kobashi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyacrylonitrile fiber with high strength and high modulus of elas...
- Patent number 4,658,004
- Issue date Apr 14, 1987
- Japan Exlan Company, Ltd.
- Toshiyuki Kobashi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High strength polyacrylonitrile fiber and method of producing the same
- Patent number 4,535,027
- Issue date Aug 13, 1985
- Japan Exlan Company Limited
- Toshiyuki Kobashi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing acrylonitrile separation membranes in fibrous...
- Patent number 4,409,162
- Issue date Oct 11, 1983
- Japan Exlan Company Limited
- Seiji Takao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing polyacrylonitrile reverse osmotic membranes
- Patent number 4,283,359
- Issue date Aug 11, 1981
- Japan Exlan Company Ltd.
- Nobuhiro Tsutsui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Seiji Takao

Person

Patents Grantslast 30 patents

Process for melt spinning aromatic polyester

Process for producing aromatic polyester fiber

Melt spinning process of aromatic polyester

Method for the production of high strength polyacrylonitrile fiber

Polyacrylonitrile fiber with high strength and high modulus of elas...

High strength polyacrylonitrile fiber and method of producing the same

Process for producing acrylonitrile separation membranes in fibrous...

Process for producing polyacrylonitrile reverse osmotic membranes