YASUSHI KUMAGAI

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane foam, process for producing the same, and foam forming...
- Patent number 6,455,606
- Issue date Sep 24, 2002
- Sanyo Chemical Industries, Ltd.
- Motonao Kaku
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Foamed polyurethane-forming composition, foamed polyurethane and pr...
- Patent number 5,401,785
- Issue date Mar 28, 1995
- Sanyo Chemical Industries, Ltd.
- Yasushi Kumagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYURETHANE FOAM, PROCESS FOR PRODUCING THE SAME, AND FOAM FORMING...
- Publication number 20020052425
- Publication date May 2, 2002
- MOTONAO KAKU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...