Seiji Ishii

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for molding polyurethane seat pads
- Patent number 5,603,874
- Issue date Feb 18, 1997
- Bridgestone Corporation
- Seiji Ishii
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for producing polyolefin foam sheet
- Patent number 5,198,271
- Issue date Mar 30, 1993
- Bridgestone Corporation
- Seiji Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing a low-density flexible polyurethane foam
- Patent number 5,130,346
- Issue date Jul 14, 1992
- Bridgestone Corporation
- Seiji Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making a composite panel of a foam material
- Patent number 4,938,819
- Issue date Jul 3, 1990
- Bridgestone Corporation
- Seiji Ishii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Microcellular polyurethane elastomer and manufacturing method of th...
- Patent number 4,647,596
- Issue date Mar 3, 1987
- Bridgestone Corporation
- Seiji Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing a moisture- and heat-resistant flexible polyure...
- Patent number 4,255,526
- Issue date Mar 10, 1981
- Bridgestone Tire Company Limited
- Toshio Yukuta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flexible urethane foams having a low density and a method for produ...
- Patent number 4,226,947
- Issue date Oct 7, 1980
- Bridgestone Tire Company Limited
- Toshio Yukuta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Seiji Ishii

Person

Patents Grantslast 30 patents

Method for molding polyurethane seat pads

Method for producing polyolefin foam sheet

Method for producing a low-density flexible polyurethane foam

Method of making a composite panel of a foam material

Microcellular polyurethane elastomer and manufacturing method of th...

Method of producing a moisture- and heat-resistant flexible polyure...

Flexible urethane foams having a low density and a method for produ...