Koichi Okita

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating the surface of a thin porous film material of t...
- Patent number 5,296,510
- Issue date Mar 22, 1994
- Sumitomo Electric Industries Ltd.
- Katsuya Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for treating the surface of a thin porous film material
- Patent number 5,252,626
- Issue date Oct 12, 1993
- Sumitomo Electric Industries Inc.
- Katsuya Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for treating the surface of a thin porous film material
- Patent number 5,219,894
- Issue date Jun 15, 1993
- Sumitomo Electric Industries, Ltd.
- Katsuya Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Antithrombogenic materials
- Patent number 5,028,597
- Issue date Jul 2, 1991
- Agency of Industrial Science and Technology
- Makoto Kodama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Gas-selectively permeable membrane and method of forming said membrane
- Patent number 4,832,713
- Issue date May 23, 1989
- Sumitomo Electric Industries, Ltd.
- Katsuya Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tubular prosthesis having a composite structure
- Patent number 4,822,361
- Issue date Apr 18, 1989
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Liquid membrane
- Patent number 4,734,112
- Issue date Mar 29, 1988
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid membrane
- Patent number 4,705,544
- Issue date Nov 10, 1987
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for manufacturing porous polytetrafluoroethylene material
- Patent number 4,671,754
- Issue date Jun 9, 1987
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gas-permselective composite membranes and process for the productio...
- Patent number 4,533,369
- Issue date Aug 6, 1985
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production of string-like polytetrafluoroethylene
- Patent number 4,496,507
- Issue date Jan 29, 1985
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Selectively gas-permeable composite membrane and process for produc...
- Patent number 4,483,901
- Issue date Nov 20, 1984
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production of asymmetric porous film materials
- Patent number 4,277,429
- Issue date Jul 7, 1981
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Catalyst for concentrating hydrogen isotopes and process for produc...
- Patent number 4,259,209
- Issue date Mar 31, 1981
- Rikagaku Kenkyusho
- Ryohei Nakane
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing microporous tubes of polytetrafluoroethylene
- Patent number 4,250,138
- Issue date Feb 10, 1981
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Asymmetric porous film materials and process for producing same
- Patent number 4,248,924
- Issue date Feb 3, 1981
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing porous materials
- Patent number 4,238,571
- Issue date Dec 9, 1980
- Sumitomo Electric Industries, Ltd.
- Hiroshi Mano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing porous polytetrafluoroethylene tubings
- Patent number 4,234,535
- Issue date Nov 18, 1980
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fluorine resin coated structure of aluminum or aluminum alloy
- Patent number 4,230,758
- Issue date Oct 28, 1980
- Sumitomo Electric Industries, Ltd.
- Shuzo Nagai
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Extrusion process of polytetrafluoroethylene tubing materials and a...
- Patent number 4,225,547
- Issue date Sep 30, 1980
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Vascular prostheses composed of polytetrafluoroethylene and process...
- Patent number 4,208,745
- Issue date Jun 24, 1980
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite structure vascular prostheses
- Patent number 4,193,138
- Issue date Mar 18, 1980
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Microporous tubes
- Patent number 4,177,334
- Issue date Dec 4, 1979
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hydrophilic porous structures and process for production thereof
- Patent number 4,113,912
- Issue date Sep 12, 1978
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for diametrically expanding thermally contractive ptfe resin...
- Patent number 4,104,394
- Issue date Aug 1, 1978
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Koichi Okita

Person

Patents Grantslast 30 patents

Method for treating the surface of a thin porous film material of t...

Method for treating the surface of a thin porous film material

Method for treating the surface of a thin porous film material

Antithrombogenic materials

Gas-selectively permeable membrane and method of forming said membrane

Tubular prosthesis having a composite structure

Liquid membrane

Liquid membrane

Apparatus for manufacturing porous polytetrafluoroethylene material

Gas-permselective composite membranes and process for the productio...

Production of string-like polytetrafluoroethylene

Selectively gas-permeable composite membrane and process for produc...

Production of asymmetric porous film materials

Catalyst for concentrating hydrogen isotopes and process for produc...

Process for producing microporous tubes of polytetrafluoroethylene

Asymmetric porous film materials and process for producing same

Process for producing porous materials

Process for producing porous polytetrafluoroethylene tubings

Fluorine resin coated structure of aluminum or aluminum alloy

Extrusion process of polytetrafluoroethylene tubing materials and a...

Vascular prostheses composed of polytetrafluoroethylene and process...

Composite structure vascular prostheses

Microporous tubes

Hydrophilic porous structures and process for production thereof

Method for diametrically expanding thermally contractive ptfe resin...