Hiroyuki Yoshimura

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Yamaguchi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst composition for production of a polyurethane resin, and me...
- Patent number 7,001,864
- Issue date Feb 21, 2006
- Tosoh Corporation
- Hiroyuki Kiso
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyurethane foam with high curing rate
- Patent number 5,591,781
- Issue date Jan 7, 1997
- Tosoh Corporation
- Hiroyuki Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing flexible polyurethane foam having high air fl...
- Patent number 5,306,738
- Issue date Apr 26, 1994
- Tosoh Corporation
- Hiroyuki Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing high resilience polyurethane foam
- Patent number 5,104,907
- Issue date Apr 14, 1992
- Tosoh Corporation
- Hiroyuki Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing rigid polyurethane foam
- Patent number 5,100,927
- Issue date Mar 31, 1992
- Tosoh Corporation
- Yutaka Tamano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Catalyst composition for production of a polyurethane resin, and me...
- Publication number 20040192875
- Publication date Sep 30, 2004
- TOSOH CORPORATION
- Hiroyuki Kiso
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...