Kozo Tsuji

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving water-resistance of pullulan
- Patent number 4,186,024
- Issue date Jan 29, 1980
- Sumitomo Chemical Company, Limited
- Masanori Fujimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cross-linked pullulan
- Patent number 4,152,170
- Issue date May 1, 1979
- Sumitomo Chemical Company, Ltd.
- Tsuneyuki Nagase
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cross-linked saponified absorbent polymer
- Patent number 4,124,748
- Issue date Nov 7, 1978
- Sumitomo Chemical Company, Limited
- Masanori Fujimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-insoluble, hydrophilic gels and a method for the preparation...
- Patent number 4,102,842
- Issue date Jul 25, 1978
- Sumitomo Chemical Company, Limited
- Masanori Fujimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing alumina fiber or alumina-silica fiber
- Patent number 4,101,615
- Issue date Jul 18, 1978
- Sumitomo Chemical Company, Limited
- Shozo Horikiri
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES