Tatsuo Waki

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Tsuchiura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Open cell body made of hard vinyl chloride resin
- Patent number 4,800,214
- Issue date Jan 24, 1989
- Lonseal Corporation
- Tatsuo Waki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hard polyvinyl chloride resin composition and open-cell foam made o...
- Patent number 4,797,426
- Issue date Jan 10, 1989
- Lonseal Corporation
- Tatsuo Waki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing open cell foam and foamable compound
- Patent number 4,425,442
- Issue date Jan 10, 1984
- Lonseal Corporation
- Akira Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing an open cell foam from a polyvinyl chloride re...
- Patent number 4,381,962
- Issue date May 3, 1983
- Lonseal Corporation
- Akira Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...