Tatsushi Ishizuka

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Kamisu-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Highly reactive modified phenolic resin and molding material for el...
- Patent number 6,166,131
- Issue date Dec 26, 2000
- Kashima Oil Co., Ltd.
- Masao Tashima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing highly reactive modified phenolic resin and m...
- Patent number 6,034,210
- Issue date Mar 7, 2000
- Kashima Oil Co., Ltd.
- Masao Tashima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optically active dihydropyran derivative, and liquid crystal compos...
- Patent number 5,811,028
- Issue date Sep 22, 1998
- Kashima Oil Company
- Tatsushi Ishizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active dihydropyran derivative, and liquid crystal compos...
- Patent number 5,698,137
- Issue date Dec 16, 1997
- Kashima Oil Company
- Tatsushi Ishizuka
- C07 - ORGANIC CHEMISTRY