Ryohei Minami

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of naphthoquinone
- Patent number 4,960,914
- Issue date Oct 2, 1990
- Sumitomo Metal Industries, Ltd.
- Ryohei Minami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coal liquefaction process
- Patent number 4,437,974
- Issue date Mar 20, 1984
- Sumitomo Metal Industries, Ltd.
- Ryohei Minami
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...