Seijiro Sakai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-durability flexible polyurethane cold cure molded foam and pro...
- Patent number 6,433,033
- Issue date Aug 13, 2002
- Mitsui Chemicals, Inc.
- Masahiro Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flexible polyurethane foam with high durability
- Patent number 6,063,825
- Issue date May 16, 2000
- Mitsui Chemicals, Inc.
- Masahiro Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyoxyalkylene polyols, polymer polyols and flexibl...
- Patent number 5,777,175
- Issue date Jul 7, 1998
- Mitsui Toatsu Chemicals, Inc.
- Kazuhiko Ohkubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flexible high resilience polyurethane foam
- Patent number 5,674,920
- Issue date Oct 7, 1997
- Mitsui Toatsu Chemicals, Inc.
- Masashi Obata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Flexible polyurethane foam and process for preparing same
- Patent number 5,478,866
- Issue date Dec 26, 1995
- Mitsui Toatsu Chemicals, Inc.
- Masashi Obata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...