Human Industry Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing polyurethane foam
- Patent number 5,079,276
- Issue date Jan 7, 1992
- Human Industry Corporation
- Sadao Kumasaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for producing polyurethane foam
- Patent number 4,988,271
- Issue date Jan 29, 1991
- Human Industry Corporation
- Sadao Kumasaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing a modified polyhydroxy compound
- Patent number 4,814,515
- Issue date Mar 21, 1989
- Human Industry Corporation
- Sadao Kumasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for manufacturing polyurethane foam slabs in a batch
- Patent number 4,666,393
- Issue date May 19, 1987
- Human Industry Corporation
- Sadao Kumasaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Asphalt impregnated foam and method of producing the same
- Patent number 4,610,922
- Issue date Sep 9, 1986
- Human Industry Corporation
- Sadao Kumasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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