Toshikazu Hamamoto

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Ube, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing dihydric phenol derivatives
- Patent number 4,078,006
- Issue date Mar 7, 1978
- UBE Industries, Ltd.
- Sumio Umemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing dihydric phenol derivatives
- Patent number 4,072,722
- Issue date Feb 7, 1978
- UBE Industries, Ltd.
- Sumio Umemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydroxyphenyl ethers
- Patent number 4,013,727
- Issue date Mar 22, 1977
- UBE Industries, Ltd.
- Sumio Umemura
- C07 - ORGANIC CHEMISTRY